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The Pediatric Clinical Trials Unit at Haukeland University Hospital was established in 2007 as the first of its kind in Northern Europe and has a large track record on running pediatric clinical trials (Phase I-IV). At Stavanger University Hospital the Pediatric Clinical Trials Unit was established in 2018. There is a both with the industry and international academic milieus. Several of the trials are funded from EU: and .

is a national network to increase clinical drug trials for children and has been funded by Norwegian Government since 2013. NorPedMed is partner in the EU-funded “The Paediatric Clinical Research Infrastructure Network” and “Collaborative Network for European Clinical Trials for Children” as well as part of funded by Nordic Council since 2015.

was established as the Norwegian branch of in 2012 and has been funded from Norwegian Research Counsel since 2015. The secretariat of NorCRIN and NorPedMed are both placed in Bergen and collaborate well to increase clinical studies in Norway.

From Norwegian media outlets: 

1. )

Updated knowledge of growth and weight development is important for all health-related work with children and adolescents, due to follow up of the child, but also to monitor trends in the child population. Children’s growth and development depends on heredity and environment. Norwegian children have gradually grown taller over the last hundred years, which reflects among other things, better well-being, improved nutrition and fewer infections. In the last 20-30 years weight in older children and adults has also increased.

PhD dissertations:

• Ninne Oehme, 2021:
• Ingvild Særvold Bruserud, 2020:
• Bente Brannsether-Ellingsen, 2015
• Pétur Benedikt Júliússon, 2010:  

Adequate nutrition is vital to secure good health from conception and throughout life.

PhD dissertations:

• Hanna Flækøy Skjåkødegård, 2023
• Anders Mjelle, 2021:
• Hege Kristiansen, 2020:
• Ingrid Torsvik, 2015:
• Anne-Lise Bjørke Monsen, 2004:

• Four regional Western Norway population based birth-cohorts who were born extremely preterm during 1982-85, 1991-1992, 1999-2000 and 2010-2018. Participants have regularly been brought in for testing, last time 2018-2019.
• A nationwide population based cohort born extremely preterm during 1999-2000 has been followed with testing until the age of 5 years, since then by questionnaires.
• A regional Western Norway population based birth cohort hospitalized for bronchiolitis during their first year of life during 1996 to 2001. The cohort has been followed since birth, last seen at age 17-20 years.

PhD dissertations:

• Karen Galta Sørensen, 2023: ”
• Emma Carolina Satrell, 2023:
• Mette Engan, 2022:
• Ingrid Nordeide Kuiper, 2020:
• Mariann Bentsen, 2018:
• Maria Vollsæter, 2016:
• Hege Havstad Clemm, 2015:
• Ingvild Bruun Mikalsen, 2014   
• Thomas Halvorsen, 2006:

• Exercise testing with video monitoring of the upper airways
• Therapeutic interventions

PhD dissertations:

• Astrid Sandnes, 2021:
• Zoe Fretheim-Kelly, 2021: “From horses to humans: A comparative study developing the first protocol for measuring upper airway pressures in exercising humans
• Tiina Andersen, 2018:
• Ola Drange Røksund, 2012:
• Robert Maat, 2011:

• GFR methodology; multipoint iohexol clearance and simplified methods to evaluate kidney function in children.
• Consequences of prematurity and low birth weight on kidney function
• Kidney biopsies - structural findings and transcriptomics
• Urinary tract infections in childhood

PhD dissertations:

• Bjørn Steinar Demma Lillås, 2024: 
• Philipp Strauss, 2023:
• Cathrin Lytomt Salvador, 2020
• Rannveig Skrunes, 2017:
• Camilla Tøndel, 2013:

200 children get cancer every year in Norway. Continuous systematic clinical research is performed to increase survival, reduce side effects and personalize the treatment.

PhD dissertations:

• Maria Gunnes, 2017

• Exercise testing in cardiac disease
• Clinical research on resuscitation
• Echocardiographic studies before and after birth and in chronic diseases
• Register studies on heart diseases and resuscitation
• Extra-cardiac health challenges in patients with congenital heart disease
• Vascular endothelial function in children and young adults

PhD dissertations:

• Britt Engan, 2023;
• Merete Engeseth, 2022: ”
• Peder Aleksander Bjorland, 2022;
• Umael Khan, 2022: .     
• Kristoffer Brodwall, 2018:   
• Elisabeth Leirgul, 2016:
• Hans Jørgen Timm Guthe, 2016:  
• Asle Hirth, 2013:   
• Dag Moster, 2001: “Low risk deliveries. A study of risks related to place of birth and the prognostic value of Apgar score.”

Media:

Immunological processes as consequences of infections or/and autoimmunity causes disease are of great importance in childhood.

PhD dissertations:

• Christian Magnus Thaulow, 2022:
• Annlaug Vatne, 2022;
• Bjørn Barstad, 2020;
• Kristine Kjer Byberg, 2017: “An epidemiological study on the associations between preeclampsia exposure, growth and physical activity in preschool age and subsequent allergy, asthma and lung function in late childhood”
• Siren Irene Rettedal, 2016:
• Jostein Førsvoll, 2015;
• Håvard Trønnes, 2014;
• Knut Øymar, 2001:

Neurological and mental consequenses of premature birth and disease in childhood.

PhD dissertations:

• Kristine Stangenes, 2020: “
• Eivind Sirnes, 2018:
• Lisbeth Beate Santorv, 2018:
• Silje Elgen Fevang, 2016:
• Siw Helen Westby Eger, 2016:
• Bente Vederhus, 2015:
• Hanne Marit Bjørgås, 2015:
• Nezla Duric,  2015:
• Silja Torvik Griffiths, 2013:
• Morten Duus Odberg, 2013:
• Katrine Tyborg Leversen, 2012:
• Stein Magnus Aukland, 2011:
• Irene Birchow Elgen, 2004:
• Edda Olafsdottir, 2001:
• Britt Torunn Skadberg, 1997:  
• Kristian Sommerfelt, 1997: "Preschool neurodevelopment in non-handicapped children with birthweight less than 2000 g".

Lysosomal storage disease e.g. Fabry disease and mithochondial disease e.g. POLG disease are seldom, but put together as orphan diseases affect relatively many patients in pediatric care. The diagnostics and care of these diseases have special challenges due to the relatively low number of patients with each specific disease.

PhD dissertations:

• Omar Hikmat, 2020:
• Silje Raphaelsen, 2016: .

Peer review publications:

1. Holida M, Linhart A, Longo N, Wallace E, Tøndel C, Hughes D, Warnock DG, Pisani A, Eyskens F, Deegan P, Feldt-Rasmussen U, Goker-Alpan O, Mehta A, Piotti G, Fichera V, Wang M, Chertkoff R, Waldek S, Wilcox WR, Bernat JA. Long-term efficacy and safety of pegunigalsidase alfa administered every 4 weeks in adults with Fabry disease: results from up to 5 years of the BRIGHT F51 phase III, open-label extension study. Orphanet J Rare Dis. 2026 Mar 20. doi: 10.1186/s13023-026-04303-8. Epub ahead of print. PMID: 41862950.
2. Tøndel C, Jenum S, Tonby K, Christensen EE, Cox RJ, Onyango TB, Skeie LG, Robins H, Klinger M, Banbury B, Bello T, Osborne EJ, Jørgensen MJ, Pourpe S, Leikfoss IS, Jürgens T, Wold H, Torhaug S, Makvandi-Nejad S, Edo-Matas D, Schjetne K, Fredriksen AB, Norheim G, Dyrhol-Riise AM. SARS-CoV-2 T-cell vaccine VB10.2210 induces broad T-cell responses in a phase 1/2 open-label clinical trial. Vaccine. 2026 Mar 7;75:128290. doi: 10.1016/j.vaccine.2026.128290. Epub 2026 Feb 1. PMID: 41628524.
3. van Hout D, Prat-Aymerich C, van Hulst K, Nijland J, Cornely OA, Bruijning-Verhagen P; CoVacc Site Investigators of the VACCELERATE consortium. From rigid to rapid: rethinking clinical trial processes for emergency-ready clinical trials. Clin Microbiol Infect. 2026 Jan 7:S1198-743X(25)00654-8. doi: 10.1016/j.cmi.2025.12.028. Epub ahead of print. PMID: 41513039.
4. Wallace EL, Wanner C, Piotti G, Lee D, Koulinska I, Chertkoff R, Warnock DG; BALANCE Study Group. Impact of Proteinuria on Renal Outcomes in the BALANCE Trial. Kidney Int Rep. 2025 Nov 19;11(2):103691. doi: 10.1016/j.ekir.2025.11.016. PMID: 41531439; PMCID: PMC12794064.
5. Blomberg B, Myklebust NN, Oppegaard O, Tøndel C, Cox RJ, Iversen A, Lehmann ME, Sandvig A, Dahl TB, Valderhaug VD, Szodoray P, Wilhelmsen M, Kirsebom BE, Glambek M, Kaarbøe O, Aukrust P, Lie RT, Langeland N. Randomized trial of nirmatrelvir/ritonavir versus placebo for adults with acute COVID-19 to prevent long COVID: PanoramicNOR Trial. Trials. 2025 Nov 6;26(1):477. doi: 10.1186/s13063-025-09226-6. PMID: 41199272; PMCID: PMC12590622.
6. Elvebakk T, Døllner H, Partty A, Jartti H, Vuorinen T, Øymar K, Nerheim S, Moe N, Nordbø SA, Follestad T, Koski J, Vollsæter M, Hofstad A, Klingenberg C, Leknessund CB, Skjerven HO, Risnes K, Söderhäll C, Sissener E, Inchley CS, Konradsen JR, Jartti T. INnovative Steroid Treatment to reduce Asthma development in children after first-time Rhinovirus-induced wheezing (INSTAR): protocol for a randomised placebo-controlled trial. BMJ Open. 2025 Jul 30;15(7):e103530. doi: 10.1136/bmjopen-2025-103530. PMID: 40738645; PMCID: PMC12314947.
7. Keating C, Yonker LM, Vermeulen F, Prais D, Linnemann RW, Trimble A, Kotsimbos T,Mermis J, Braun AT, O'Carroll M, Sutharsan S, Ramsey B, Mall MA, Taylor-Cousar JL, McKone EF, Tullis E, Floreth T, Michelson P, Sosnay PR, Nair N, Zahigian R, Martin H, Ahluwalia N, Lam A, Horsley A; VX20-121-102 Study Group; VX20-121-103 Study Group. Vanzacaftor-tezacaftor-deutivacaftor versus elexacaftor-tezacaftor-ivacaftor in individuals with cystic fibrosis aged 12 years and older (SKYLINE Trials VX20-121-102 and VX20-121-103): results from two randomised, active-controlled, phase 3 trials. Lancet Respir Med. 2025 Mar;13(3):256-271. doi: 10.1016/S2213-2600(24)00411-9. Epub 2025 Jan 2. Erratum in: Lancet Respir Med. 2025 Mar;13(3):e19. doi: 10.1016/S2213-2600(25)00011-6. PMID: 39756424.
8. Holida M, Linhart A, Pisani A, Longo N, Eyskens F, Goker-Alpan O, Wallace E, Deegan P, Tøndel C, Feldt-Rasmussen U, Hughes D, Sakov A, Rocco R, Almon EB, Alon S, Chertkoff R, Warnock DG, Waldek S, Wilcox WR, Bernat JA. A phase III, open-label clinical trial evaluating pegunigalsidase alfa administered every 4 weeks in adults with Fabry disease previously treated with other enzyme replacement therapies. J Inherit Metab Dis. 2025 Jan;48(1):e12795. doi: 10.1002/jimd.12795. Epub 2024 Oct 9. PMID: 39381863; PMCID: PMC11667655.
9. Kelly AS, Bahlke M, Baker JL, de Beaufort C, Belin RM, Fonseca H, Hale PM, Holm JC, Hsia DS, Jastreboff AM, Juliusson PB, Murphy M, Pak J, Paul E, Rudolph B, Srivastava G, Tornøe CW, Weghuber D, Fox CK. Considerations for the design and conduct of pediatric obesity pharmacotherapy clinical trials: Proceedings of expert roundtable meetings. Pediatr Obes. 2024 Nov;19(11):e13161. doi: 10.1111/ijpo.13161. Epub 2024 Sep 17. PMID: 39289849.
10. Rotevatn EØ, Engan M, Stensaker E, Hufthammer KO, Rygh LJ. Measuring pain intensity through physical interaction in an experimental model of cold-induced pain: A method comparison study. Scand J Pain. 2024 Jun 17;24(1). doi: 10.1515/sjpain-2024-0011. PMID: 38881392.
11. Wallace EL, Goker-Alpan O, Wilcox WR, Holida M, Bernat J, Longo N, Linhart A, Hughes DA, Hopkin RJ, Tøndel C, Langeveld M, Giraldo P, Pisani A, Germain DP, Mehta A, Deegan PB, Molnar MJ, Ortiz D, Jovanovic A, Muriello M, Barshop BA, Kimonis V, Vujkovac B, Nowak A, Geberhiwot T, Kantola I, Knoll J, Waldek S, Nedd K, Karaa A, Brill-Almon E, Alon S, Chertkoff R, Rocco R, Sakov A, Warnock DG. Head-to-head trial of pegunigalsidase alfa versus agalsidase beta in patients with Fabry disease and deteriorating renal function: results from the 2-year randomised phase III BALANCE study. J Med Genet. 2024 May 21;61(6):520-530. doi: 10.1136/jmg-2023-109445. PMID: 37940383; PMCID: PMC11137442.
12. Linhart A, Dostálová G, Nicholls K, West ML, Tøndel C, Jovanovic A, Giraldo P, Vujkovac B, Geberhiwot T, Brill-Almon E, Alon S, Chertkoff R, Rocco R, Hughes D. Safety and efficacy of pegunigalsidase alfa in patients with Fabry disease who were previously treated with agalsidase alfa: results from BRIDGE, a phase 3 open-label study. Orphanet J Rare Dis. 2023 Oct 21;18(1):332. doi: 10.1186/s13023-023-02937-6. PMID: 37865771.
13. Bradley JS, Makieieva N, Tøndel C, Roilides E, Kelly MS, Patel M, Vaddady P, Maniar A, Zhang Y, Paschke A, Chen LF. Pharmacokinetics, Safety, and Tolerability of Imipenem/Cilastatin/Relebactam in Children with Confirmed or Suspected Gram-Negative Bacterial Infections: A Phase 1b, Open-Label, Single-Dose Clinical Trial. J Clin Pharmacol. 2023 Aug 10. doi: 10.1002/jcph.2334. Epub ahead of print. PMID: 37562063.
14. Lynggaard LS, Vaitkeviciene G, Langenskiöld C, Lehmann AK, Lähteenmäki PM, Lepik K, El Hariry I, Schmiegelow K, Albertsen BK. Asparaginase encapsulated in erythrocytes as second-line treatment in hypersensitive patients with acute lymphoblastic leukaemia. Br J Haematol. 2022 Jun;197(6):745-754. doi: 10.1111/bjh.18152. Epub 2022 Mar 28. PMID: 35344210.
15. van der Veen SJ, Körver S, Hirsch A, Hollak CEM, Wijburg FA, Brands MM, Tøndel C, van Kuilenburg ABP, Langeveld M. Early start of enzyme replacement therapy in pediatric male patients with classical Fabry disease is associated with attenuated disease progression. Mol Genet Metab. 2022 Feb;135(2):163-169. doi: 10.1016/j.ymgme.2021.12.004. Epub 2021 Dec 17. PMID: 35033446.
16. Casabona G, Habib MA, Povey M, Riise Bergsaker MA, Flodmark CE, Espnes KA, Tøndel C, Silfverdal SA. Randomised controlled trial showed long-term efficacy, immunogenicity and safety of varicella vaccines in Norwegian and Swedish children. Acta Paediatr. 2022 Feb;111(2):391-400. doi: 10.1111/apa.16136. Epub 2021 Oct 28. PMID: 34606114; PMCID: PMC9297935.
17. van der Zanden TM, Mooij MG, Vet NJ, Neubert A, Rascher W, Lagler FB, Male C, Grytli H, Halvorsen T, de Hoog M, de Wildt SN. Benefit-Risk Assessment of Off-Label Drug Use in Children: The Bravo Framework. Clin Pharmacol Ther. 2021 Oct;110(4):952-965. doi: 10.1002/cpt.2336. Epub 2021 Jul 29. PMID: 34145575; PMCID: PMC8518427.
18. Baka-Ostrowska M, Bolong DT, Persu C, Tøndel C, Steup A, Lademacher C, Martin N. Efficacy and safety of mirabegron in children and adolescents with neurogenic detrusor overactivity: An open-label, phase 3, dose-titration study. Neurourol Urodyn. 2021 Aug;40(6):1490-1499. doi: 10.1002/nau.24657. Epub 2021 May 31. PMID: 34058027; PMCID: PMC8361978.
19. Arrieta AC, Ang JY, Espinosa C, Fofanov O, Tøndel C, Chou MZ, De Anda CS, Kim JY, Li D, Sabato P, Sears PS, Bradley JS. Pharmacokinetics and Safety of Single-dose Tedizolid Phosphate in Children 2 to <12 Years of Age. Pediatr Infect Dis J. 2021 Apr 1;40(4):317-323. doi: 10.1097/INF.0000000000003030. PMID: 33710976.
20. Moreno-Martinez D, Aguiar P, Auray-Blais C, Beck M, Bichet DG, Burlina A, Cole D, Elliott P, Feldt-Rasmussen U, Feriozzi S, Fletcher J, Giugliani R, Jovanovic A, Kampmann C, Langeveld M, Lidove O, Linhart A, Mauer M, Moon JC, Muir A, Nowak A, Oliveira JP, Ortiz A, Pintos-Morell G, Politei J, Rozenfeld P, Schiffmann R, Svarstad E, Talbot AS, Thomas M, Tøndel C, Warnock D, West ML, Hughes DA. Standardising clinical outcomes measures for adult clinical trials in Fabry disease: A global Delphi consensus. Mol Genet Metab. 2021 Apr;132(4):234-243. doi: 10.1016/j.ymgme.2021.02.001. Epub 2021 Feb 20. PMID: 33642210.
21. Halton J, Brandão LR, Luciani M, Bomgaars L, Chalmers E, Mitchell LG, Nurmeev I, Sharathkumar A, Svirin P, Gorbatikov K, Tartakovsky I, Simetzberger M, Huang F, Sun Z, Kreuzer J, Gropper S, Reilly P, Brueckmann M, Albisetti M; DIVERSITY Trial Investigators. Dabigatran etexilate for the treatment of acute venous thromboembolism in children (DIVERSITY): a randomised, controlled, open-label, phase 2b/3, non-inferiority trial. Lancet Haematol. 2021 Jan;8(1):e22-e33. doi: 10.1016/S2352-3026(20)30368-9. Epub 2020 Dec 5. PMID: 33290737.
22. Santos RD, Ruzza A, Hovingh GK, Wiegman A, Mach F, Kurtz CE, Hamer A, Bridges I, Bartuli A, Bergeron J, Szamosi T, Santra S, Stefanutti C, Descamps OS, Greber-Platzer S, Luirink I, Kastelein JJP, Gaudet D; HAUSER-RCT Investigators. Evolocumab in Pediatric Heterozygous Familial Hypercholesterolemia. N Engl J Med. 2020 Oct 1;383(14):1317-1327. doi: 10.1056/NEJMoa2019910. Epub 2020 Aug 29. PMID: 32865373.
23. Mohn KG, Brokstad KA, Islam S, Oftung F, Tøndel C, Aarstad HJ, Cox RJ. Early Induction of Cross-Reactive CD8+ T-Cell Responses in Tonsils After Live-Attenuated Influenza Vaccination in Children. J Infect Dis. 2020 Apr 7;221(9):1528-1537. doi: 10.1093/infdis/jiz583. PMID: 32255493; PMCID: PMC7137893.
24. Rittig S, Baka-Ostrowska M, Tøndel C, Walle JV, Kjaeer B, Passier P, Bosman B, Stroosma O, Tannenbaum S. The pharmacokinetics, safety, and tolerability of mirabegron in children and adolescents with neurogenic detrusor overactivity or idiopathic overactive bladder and development of a population pharmacokinetic model-based pediatric dose estimation. J Pediatr Urol. 2020 Feb;16(1):31.e1-31.e10. doi: 10.1016/j.jpurol.2019.10.009. Epub 2019 Oct 22. PMID: 31787582.
25. Brandão LR, Albisetti M, Halton J, Bomgaars L, Chalmers E, Mitchell LG, Nurmeev I, Svirin P, Kuhn T, Zapletal O, Tartakovsky I, Simetzberger M, Huang F, Sun Z, Kreuzer J, Gropper S, Brueckmann M, Luciani M; DIVERSITY Study Investigators. Safety of dabigatran etexilate for the secondary prevention of venous thromboembolism in children. Blood. 2020 Feb 13;135(7):491-504. doi: 10.1182/blood.2019000998. Erratum in: Blood. 2020 May 7;135(19):1720. PMID: 31805182; PMCID: PMC7019192.
26. Naumburg E, Rane A, Halvorsen T, Glosli H, Henriksen TB, Haraldsson À, Kallio J, Lepola P. Tardy development of safe medicines for children: a Nordic network offers new platform to reduce this inequity. Acta Paediatr. 2019 Jun;108(6):992-993. doi: 10.1111/apa.14775. Epub 2019 Apr 7. PMID: 30844088.
27. Hem IR, Gjerstad C, Berg A. Bruk av insentiver til deltagere i medisinsk og helsefaglig forskning i Norge [Use of incentives for participants in medical and health research in Norway]. Tidsskr Nor Laegeforen. 2019 Feb 11;139(3). Norwegian. doi: 10.4045/tidsskr.17.0958. PMID: 30754941.
28. Ramaswami U, Bichet DG, Clarke LA, Dostalova G, Fainboim A, Fellgiebel A, Forcelini CM, An Haack K, Hopkin RJ, Mauer M, Najafian B, Scott CR, Shankar SP, Thurberg BL, Tøndel C, Tylki-Szymanska A, Bénichou B, Wijburg FA. Low-dose agalsidase beta treatment in male pediatric patients with Fabry disease: A 5-year randomized controlled trial. Mol Genet Metab. 2019 May;127(1):86-94. doi: 10.1016/j.ymgme.2019.03.010. Epub 2019 Apr 3. PMID: 30987917.
29. Mikalsen IB, Karlstad Ø, Furu K, Øymar K. Prescribing of asthma drugs for children 2004-2015. Tidsskr Nor Laegeforen. 2018 Feb 19;138(4). English, Norwegian. doi: 10.4045/tidsskr.17.0227. PMID: 29460600.
30. Berg A, Arntzen E. Ny og bedre spesialistutdanning for legene [New and better specialist training for the physicians]. Tidsskr Nor Laegeforen. 2017 Sep 5;137(17). Norwegian. doi: 10.4045/tidsskr.17.0603. PMID: 28925194.
31. Mohn KG, Brokstad KA, Pathirana RD, Bredholt G, Jul-Larsen Å, Trieu MC, Lartey SL, Montomoli E, Tøndel C, Aarstad HJ, Cox RJ. Live Attenuated Influenza Vaccine in Children Induces B-Cell Responses in Tonsils. J Infect Dis. 2016 Sep 1;214(5):722-31. doi: 10.1093/infdis/jiw230. Epub 2016 May 30. Erratum in: J Infect Dis. 2016 Oct 3;: PMID: 27247344; PMCID: PMC4978372.
32. Berg A, Gjerstad C, Ruyter KW. Å skille diagnostikk og forskning [Distinguishing diagnostics from research]. Tidsskr Nor Laegeforen. 2016 Feb 23;136(4):302. Norwegian. doi: 10.4045/tidsskr.15.1352. PMID: 26905843.
33. Wijburg FA, Bénichou B, Bichet DG, Clarke LA, Dostalova G, Fainboim A, Fellgiebel A, Forcelini C, An Haack K, Hopkin RJ, Mauer M, Najafian B, Scott CR, Shankar SP, Thurberg BL, Tøndel C, Tylki-Szymańska A, Ramaswami U. Characterization of early disease status in treatment-naive male paediatric patients with Fabry disease enrolled in a randomized clinical trial. PLoS One. 2015 May 8;10(5):e0124987. doi: 10.1371/journal.pone.0124987. PMID: 25955246; PMCID: PMC4425695.
34. Mohn KG, Bredholt G, Brokstad KA, Pathirana RD, Aarstad HJ, Tøndel C, Cox RJ. Longevity of B-cell and T-cell responses after live attenuated influenza vaccination in children. J Infect Dis. 2015 May 15;211(10):1541-9. doi: 10.1093/infdis/jiu654. Epub 2014 Nov 25. PMID: 25425696; PMCID: PMC4407761.

Peer review publications:

1. Forthun IH, Roelants M, Knutsen HK, Haug LS, Iszatt N, Schell LM, Jugessur A, Bjerknes R, Oehme NB, Madsen A, Bruserud IS, Juliusson PB. Exposure to Per- and Polyfluoroalkyl Substances and Timing of Puberty in Norwegian Boys: Data from the Bergen Growth Study 2. Environ Sci Technol. 2024 Sep 17;58(37):16336-16346. doi: 10.1021/acs.est.4c06062. Epub 2024 Sep 3. PMID: 39226441; PMCID: PMC11411722.
2. Talmo MSA, Fløysand IS, Nilsen GØ, Løvvik TS, Ødegård R, Juliusson PB, Vanky E, Simpson MR. Growth Restriction in the Offspring of Mothers With Polycystic Ovary Syndrome. JAMA Netw Open. 2024 Aug 1;7(8):e2430543. doi: 10.1001/jamanetworkopen.2024.30543. PMID: 39190302; PMCID: PMC11350484.
3. Moen OK, Júlíusson PB, Roelants M, Spielau U. Seasonal variability in body mass index, waist circumference, and skinfolds in Norwegian children. Am J Hum Biol. 2024 Apr 12:e24084. doi: 10.1002/ajhb.24084. Epub ahead of print. PMID: 38613139.
4. Helgeland Ø, Vaudel M, Sole-Navais P, Flatley C, Juodakis J, Bacelis J, Koløen IL, Knudsen GP, Johansson BB, Magnus P, Kjennerud TR, Juliusson PB, Stoltenberg C, Holmen OL, Andreassen OA, Jacobsson B, Njølstad PR, Johansson S. Author Correction: Characterization of the genetic architecture of infant and early childhood body mass index. Nat Metab. 2024 Feb;6(2):378. doi: 10.1038/s42255-024-01004-z. Erratum for: Nat Metab. 2022 Mar;4(3):344-358. doi: 10.1038/s42255-022-00549-1. PMID: 38337098.
5. Juliusson PB, Roelants M. Should the Prader 3-mL orchidometer bead change colour? Acta Paediatr. 2023 Nov;112(11):2269-2270. doi: 10.1111/apa.16963. Epub 2023 Sep 4. PMID: 37667474.
6. Juliusson PB, Roelants M. Should the Prader 3-mL orchidometer bead change colour? Acta Paediatr. 2023 Nov;112(11):2269-2270. doi: 10.1111/apa.16963. Epub 2023 Sep 4. PMID: 37667474.
7. Balthasar MR, Roelants M, Brannsether-Ellingsen B, Stangenes KM, Magnus MC, Håberg SE, Øverland SN, JulÍusson PB. Evaluating national guidelines for monitoring early growth using routinely collected data in Bergen, Norway. Scand J Public Health. 2023 Jul 27:14034948231187513. doi: 10.1177/14034948231187513. Epub ahead of print. PMID: 37496420.
8. Nilsen GØ, Simpson MR, Hanem LGE, Løvvik TS, Ødegård R, Stokkeland LMT, Andersen MS, Juliusson PB, Vanky E. Anthropometrics of neonates born to mothers with PCOS with metformin or placebo exposure in utero. Acta Obstet Gynecol Scand. 2023 Jul 24. doi: 10.1111/aogs.14637. Epub ahead of print. PMID: 37488743.
9. Juliusson PB, Bruserud IS, Oehme NHB, Madsen A, Forthun IH, Balthasar M, Rosendahl K, Viste K, Jugessur A, Schell LM, Bjerknes R, Roelants M. Deep phenotyping of pubertal development in Norwegian children: the Bergen Growth Study 2. Ann Hum Biol. 2023 Feb;50(1):226-235. doi: 10.1080/03014460.2023.2174272. PMID: 37358552.
10. Forthun IH, Roelants M, Haug LS, Knutsen HK, Schell LM, Jugessur A, Bjerknes R, Sabaredzovic A, Bruserud IS, Juliusson PB. Levels of per- and polyfluoroalkyl substances (PFAS) in Norwegian children stratified by age and sex - Data from the Bergen Growth Study 2. Int J Hyg Environ Health. 2023 Jul;252:114199. doi: 10.1016/j.ijheh.2023.114199. Epub 2023 Jun 7. PMID: 37295275.
11. Madsen A, Almås B, Bruserud IS, Oehme NHB, Nielsen CS, Roelants M, Hundhausen T, Ljubicic ML, Bjerknes R, Mellgren G, Sagen JV, Juliusson PB, Viste K. Reference Curves for Pediatric Endocrinology: Leveraging Biomarker Z-Scores for Clinical Classifications. J Clin Endocrinol Metab. 2022 Jun 16;107(7):2004-2015. doi: 10.1210/clinem/dgac155. PMID: 35299255; PMCID: PMC9202734.
12. Linde LE, Ebbing C, Moster D, Kessler J, Baghestan E, Gissler M, Rasmussen S. Recurrence of postpartum hemorrhage, maternal and paternal contribution, and the effect of offspring birthweight and sex: a population-based cohort study. Arch Gynecol Obstet. 2022 Nov;306(5):1807-1814. doi: 10.1007/s00404-021-06374-3. Epub 2022 Jan 9. PMID: 34999924; PMCID: PMC9519656.
13. Svanes C, Bertelsen RJ, Accordini S, Holloway JW, Júlíusson P, Boateng E, Krauss-Etchmann S, Schlünssen V, Gómez-Real F, Skulstad SM. Exposures during the prepuberty period and future offspring's health: evidence from human cohort studies†. Biol Reprod. 2021 Sep 14;105(3):667-680. doi: 10.1093/biolre/ioab158. PMID: 34416759; PMCID: PMC8444705
14. Bruserud IS, Oehme NHB, Madsen A, Rosendahl K, Bjerknes R, Roelants M, Júlíusson PB. Puberty starts earlier. Tidsskr Nor Laegeforen. 2021 Apr 21;141(7). English, Norwegian. doi: 10.4045/tidsskr.21.0210. PMID: 33950643.
15. Wilcox AJ, Cortese M, McConnaughey DR, Moster D, Basso O. The limits of small-for-gestational-age as a high-risk category. Eur J Epidemiol. 2021 Oct;36(10):985-991. doi: 10.1007/s10654-021-00810-z. Epub 2021 Oct 18. PMID: 34661814.
16. Ueland GÅ, Kellmann R, Jørstad Davidsen M, Viste K, Husebye ES, Almås B, Storr HL, Sagen JV, Mellgren G, Júlíusson PB, Methlie P. Bedtime Salivary Cortisol as a Screening Test for Cushing Syndrome in Children. J Endocr Soc. 2021 Mar 4;5(5):bvab033. doi: 10.1210/jendso/bvab033. PMID: 33928203; PMCID: PMC8064046.
17. Magnus MC, Wilcox AJ, Fadum EA, Gjessing HK, Opdahl S, Juliusson PB, Romundstad LB, Håberg SE. Growth in children conceived by ART. Hum Reprod. 2021 Mar 18;36(4):1074-1082. doi: 10.1093/humrep/deab007. PMID: 33592626; PMCID: PMC7970724.
18. Oehme NHB, Roelants M, Bruserud IS, Madsen A, Bjerknes R, Rosendahl K, Juliusson PB. Low BMI, but not high BMI, influences the timing of puberty in boys. Andrology. 2021 May;9(3):837-845. doi: 10.1111/andr.12985. Epub 2021 Feb 17. PMID: 33544961.
19. Rohrer TR, Abuzzahab J, Backeljauw P, Birkegård AC, Blair J, Dahlgren J, Júlíusson PB, Ostrow V, Pietropoli A, Polak M, Romano A, Ross J, Sävendahl L, Miller BS. Long-Term Effectiveness and Safety of Childhood Growth Hormone Treatment in Noonan Syndrome. Horm Res Paediatr. 2020;93(6):380-395. doi: 10.1159/000512429. Epub 2021 Jan 13. PMID: 33440388.
20. Madsen A, Bruserud IS, Bertelsen BE, Roelants M, Oehme NHB, Viste K, Bjerknes R, Almås B, Rosendahl K, Mellgren G, Sagen JV, Juliusson PB. Hormone References for Ultrasound Breast Staging and Endocrine Profiling to Detect Female Onset of Puberty. J Clin Endocrinol Metab. 2020 Dec 1;105(12):e4886–95. doi: 10.1210/clinem/dgaa679. PMID: 32961560; PMCID: PMC7571452.
21. Schei K, Simpson MR, Avershina E, Rudi K, Øien T, Júlíusson PB, Underhill D, Salamati S, Ødegård RA. Early Gut Fungal and Bacterial Microbiota and Childhood Growth. Front Pediatr. 2020 Nov 9;8:572538. doi: 10.3389/fped.2020.572538. PMID: 33240830; PMCID: PMC7680752.
22. Oehme N, Bruserud IS, Madsen A, Júlíusson PB. Is puberty starting earlier than before? Tidsskr Nor Laegeforen. 2020 Aug 31;140(12). English, Norwegian. doi: 10.4045/tidsskr.20.0043. PMID: 32900174.
23. Bruserud IS, Roelants M, Oehme NHB, Madsen A, Eide GE, Bjerknes R, Rosendahl K, Juliusson PB. References for Ultrasound Staging of Breast Maturation, Tanner Breast Staging, Pubic Hair, and Menarche in Norwegian Girls. J Clin Endocrinol Metab. 2020 May 1;105(5):1599–607. doi: 10.1210/clinem/dgaa107. PMID: 32140730; PMCID: PMC7275631.
24. Oehme NHB, Roelants M, Saervold Bruserud I, Madsen A, Eide GE, Bjerknes R, Rosendahl K, Juliusson PB. Reference data for testicular volume measured with ultrasound and pubic hair in Norwegian boys are comparable with Northern European populations. Acta Paediatr. 2020 Aug;109(8):1612-1619. doi: 10.1111/apa.15159. Epub 2020 Jan 22. PMID: 31899821.
25. Juliusson PB, Dagbjartsson A, Roelants M, Palsson G, Fridjonsdottir H, Einarsdottir R, Thorsson AV. Larger head circumference in Icelandic children 0-4 years of age compared to the World Health Organization and Swedish growth charts. Acta Paediatr. 2020 Jun;109(6):1184-1189. doi: 10.1111/apa.15103. Epub 2019 Dec 5. PMID: 31755566.
26. Bjertnaes AA, Grundt JH, Juliusson PB, Markestad TJ, Strand TA, Holten-Andersen MN. Sex-related change in BMI of 15- to 16-year-old Norwegian girls in cross-sectional studies in 2002 and 2017. BMC Pediatr. 2019 Nov 12;19(1):431. doi: 10.1186/s12887-019-1790-2. PMID: 31718598; PMCID: PMC6849237.
27. Madsen A, Oehme NB, Roelants M, Bruserud IS, Eide GE, Viste K, Bjerknes R, Almås B, Rosendahl K, Sagen JV, Mellgren G, Juliusson PB. Testicular Ultrasound to Stratify Hormone References in a Cross-Sectional Norwegian Study of Male Puberty. J Clin Endocrinol Metab. 2020 Jun 1;105(6):dgz094. doi: 10.1210/clinem/dgz094. PMID: 31697832.
28. Helgeland Ø, Vaudel M, Juliusson PB, Lingaas Holmen O, Juodakis J, Bacelis J, Jacobsson B, Lindekleiv H, Hveem K, Lie RT, Knudsen GP, Stoltenberg C, Magnus P, Sagen JV, Molven A, Johansson S, Njølstad PR. Genome-wide association study reveals dynamic role of genetic variation in infant and early childhood growth. Nat Commun. 2019 Oct 1;10(1):4448. doi: 10.1038/s41467-019-12308-0. PMID: 31575865; PMCID: PMC6773698.
29. Bruserud IS, Roelants M, Oehme NHB, Eide GE, Bjerknes R, Rosendahl K, Júlíusson PB. Ultrasound assessment of pubertal breast development in girls: intra- and interobserver agreement. Pediatr Radiol. 2018 Oct;48(11):1576-1583. doi: 10.1007/s00247-018-4188-7. Epub 2018 Jul 7. PMID: 29982956.
30. Oehme NHB, Roelants M, Bruserud IS, Eide GE, Bjerknes R, Rosendahl K, Júlíusson PB. Ultrasound-based measurements of testicular volume in 6- to 16-year-old boys - intra- and interobserver agreement and comparison with Prader orchidometry. Pediatr Radiol. 2018 Nov;48(12):1771-1778. doi: 10.1007/s00247-018-4195-8. Epub 2018 Jul 6. PMID: 29980860.
31. Kløvgaard M, Nielsen NO, Sørensen TL, Bjerregaard P, Olsen B, Júlíusson PB, Roelants M, Christesen HT. Growth of children in Greenland exceeds the World Health Organization growth charts. Acta Paediatr. 2018 Nov;107(11):1953-1965. doi: 10.1111/apa.14369. Epub 2018 May 21. PMID: 29693738; PMCID: PMC6221127.
32. Rosendahl K, Bruserud IS, Oehme N, Júlíusson PB, de Horatio LT, Müller LO, Magni-Manzoni S. Normative ultrasound references for the paediatric wrist; dorsal soft tissues. RMD Open. 2018 Mar 10;4(1):e000642. doi: 10.1136/rmdopen-2017-000642. PMID: 29556421; PMCID: PMC5856916.
33. Júlíusson PB, Hjelmesæth J, Bjerknes R, Roelants M. New curves for body mass index among children and adolescents. Tidsskr Nor Laegeforen. 2017 Oct 2;137(18). Norwegian, English. doi: 10.4045/tidsskr.17.0570. PMID: 28972329.
34. Bratke H, Bruserud IS, Brannsether B, Aßmus J, Bjerknes R, Roelants M, Júlíusson PB. Timing of menarche in Norwegian girls: associations with body mass index, waist circumference and skinfold thickness. BMC Pediatr. 2017 Jun 6;17(1):138. doi: 10.1186/s12887-017-0893-x. PMID: 28587648; PMCID: PMC5461627.
35. Byberg KK, Øymar K, Eide GE, Forman MR, Júlíusson PB. Exposure to preeclampsia in utero affects growth from birth to late childhood dependent on child's sex and severity of exposure: Follow-up of a nested case-control study. PLoS One. 2017 May 9;12(5):e0176627. doi: 10.1371/journal.pone.0176627. PMID: 28486480; PMCID: PMC5423584.
36. Brannsether B, Roelants M, Bjerknes R, Júlíusson PB. New reference charts for weight-related body measurements in children. Tidsskr Nor Laegeforen. 2016 Nov 22;136(21):1828-1830. English, Norwegian. doi: 10.4045/tidsskr.16.0574. PMID: 27883109.
37. Christesen HT, Pedersen BT, Pournara E, Petit IO, Júlíusson PB. Short Stature: Comparison of WHO and National Growth Standards/References for Height. PLoS One. 2016 Jun 9;11(6):e0157277. doi: 10.1371/journal.pone.0157277. PMID: 27280591; PMCID: PMC4900602.
38. Brannsether B, Eide GE, Roelants M, Bjerknes R, Júlíusson PB. BMI and BMI SDS in childhood: annual increments and conditional change. Ann Hum Biol. 2017 Feb;44(1):28-33. doi: 10.3109/03014460.2016.1151933. Epub 2016 Mar 10. PMID: 26862707.
39. Amare EB, Idsøe M, Wiksnes M, Moss T, Roelants M, Shimelis D, Júlíusson PB, Kiserud T, Wester K. Reference Ranges for Head Circumference in Ethiopian Children 0-2 Years of Age. World Neurosurg. 2015 Dec;84(6):1566-71.e1-2. doi: 10.1016/j.wneu.2015.08.045. Epub 2015 Sep 3. PMID: 26342781.
40. Júlíusson PB, Brannsether B, Kristiansen H, Hoppenbrouwers K, Bjerknes R, Roelants M. Should children with overweight or obesity be excluded from height references? Arch Dis Child. 2015 Nov;100(11):1044-8. doi: 10.1136/archdischild-2015-308537. Epub 2015 Aug 21. PMID: 26297699.
41. Finbråten AK, Martins C, Andersen GL, Skranes J, Brannsether B, Júlíusson PB, Syversen U, Stevenson RD, Vik T. Assessment of body composition in children with cerebral palsy: a cross-sectional study in Norway. Dev Med Child Neurol. 2015 Sep;57(9):858-64. doi: 10.1111/dmcn.12752. Epub 2015 Apr 1. PMID: 25827868.
42. Blankenstein O, Pedersen BT, Schlumpf M, Andreasen AH, Júlíusson PB. Management and interpretation of heterogeneous observational data: using insulin-like growth factor-I data from the NordiNet® International Outcome Study. Growth Horm IGF Res. 2015 Feb;25(1):41-6. doi: 10.1016/j.ghir.2014.12.001. Epub 2014 Dec 9. PMID: 25542446.
43. Jensen ET, Daniels JL, Stürmer T, Robinson WR, Williams CJ, Moster D, Juliusson PB, Vejrup K, Magnus P, Longnecker MP. Maternal hormonal contraceptive use and offspring overweight or obesity. Int J Obes (Lond). 2014 Oct;38(10):1275-81. doi: 10.1038/ijo.2014.114. Epub 2014 Jul 2. PMID: 24984751; PMCID: PMC4365991.
44. Glavin K, Roelants M, Strand BH, Júlíusson PB, Lie KK, Helseth S, Hovengen R. Important periods of weight development in childhood: a population-based longitudinal study. BMC Public Health. 2014 Feb 13;14:160. doi: 10.1186/1471-2458-14-160. PMID: 24524269; PMCID: PMC3925776.
45. Brannsether B, Roelants M, Bjerknes R, Júlíusson PB. References and cutoffs for triceps and subscapular skinfolds in Norwegian children 4-16 years of age. Eur J Clin Nutr. 2013 Sep;67(9):928-33. doi: 10.1038/ejcn.2013.91. Epub 2013 May 1. PMID: 23632751.
46. Júlíusson PB, Roelants M, Nordal E, Furevik L, Eide GE, Moster D, Hauspie R, Bjerknes R. Growth references for 0-19 year-old Norwegian children for length/height, weight, body mass index and head circumference. Ann Hum Biol. 2013 May;40(3):220-7. doi: 10.3109/03014460.2012.759276. Epub 2013 Feb 18. PMID: 23414181.
47. Milani S, Buckler JM, Kelnar CJ, Benso L, Gilli G, Nicoletti I, Faglia G, Radetti G, Bona G, Schonbeck Y, Van Buuren S, Hermanussen M, Grugni G, Marazzi N, Júlíusson PB, Roelants M, Hoppenbrouwers K, Hauspie R, Bjerknes R, Lejarraga H, Sartorio A. The use of local reference growth charts for clinical use or a universal standard: a balanced appraisal. J Endocrinol Invest. 2012 Feb;35(2):224-6. doi: 10.1007/BF03345422. PMID: 22490992.
48. Brannsether B, Roelants M, Bjerknes R, Júlíusson PB. Waist circumference and waist-to-height ratio in Norwegian children 4-18 years of age: reference values and cut-off levels. Acta Paediatr. 2011 Dec;100(12):1576-82. doi: 10.1111/j.1651-2227.2011.02370.x. Epub 2011 Jun 16. PMID: 21627692.
49. Bang P, Bjerknes R, Dahlgren J, Dunkel L, Gustafsson J, Juul A, Kriström B, Tapanainen P, Aberg V. A comparison of different definitions of growth response in short prepubertal children treated with growth hormone. Horm Res Paediatr. 2011;75(5):335-45. doi: 10.1159/000322878. Epub 2011 Jan 12. PMID: 21228552.
50. Westerberg AC, Henriksen C, Ellingvåg A, Veierød MB, Júlíusson PB, Nakstad B, Aurvåg AK, Rønnestad A, Grønn M, Iversen PO, Drevon CA. First year growth among very low birth weight infants. Acta Paediatr. 2010 Apr;99(4):556-62. doi: 10.1111/j.1651-2227.2009.01667.x. Epub 2010 Jan 20. PMID: 20096031.
51. Júlíusson PB, Roelants M, Hoppenbrouwers K, Hauspie R, Bjerknes R. Growth of Belgian and Norwegian children compared to the WHO growth standards: prevalence below -2 and above +2 SD and the effect of breastfeeding. Arch Dis Child. 2011 Oct;96(10):916-21. doi: 10.1136/adc.2009.166157. Epub 2009 Nov 30. PMID: 19948662.
52. Júlíusson PB, Roelants M, Eide GE, Moster D, Juul A, Hauspie R, Waaler PE, Bjerknes R. Vekstkurver for norske barn [Growth references for Norwegian children]. Tidsskr Nor Laegeforen. 2009 Feb 12;129(4):281-6. Norwegian. doi: 10.4045/tidsskr.09.32473. PMID: 19219092.
53. Virtanen HE, Bjerknes R, Cortes D, Jørgensen N, Rajpert-De Meyts E, Thorsson AV, Thorup J, Main KM. Cryptorchidism: classification, prevalence and long-term consequences. Acta Paediatr. 2007 May;96(5):611-6. doi: 10.1111/j.1651-2227.2007.00241.x. PMID: 17462053.
54. Berg JP, Bjerknes R. Molekylaerdiagnostikk av endokrine sykdommer [Molecular diagnostics in endocrine diseases]. Tidsskr Nor Laegeforen. 2005 Nov 3;125(21):2959-63. Norwegian. PMID: 16276381.
55. Ritzén EM, Bergh A, Bjerknes R, Christiansen P, Cortes D, Haugen SE, Jörgensen N, Kollin C, Lindahl S, Läckgren G, Main KM, Nordenskjöld A, Rajpert-De Meyts E, Söder O, Taskinen S, Thorsson A, Thorup J, Toppari J, Virtanen H. Nordic consensus on treatment of undescended testes. Acta Paediatr. 2007 May;96(5):638-43. doi: 10.1111/j.1651-2227.2006.00159.x. Epub 2007 Feb 26. PMID: 17326760.
56. Bjerknes R. Hvordan identifisere binyrebarksuppresjon hos barn som behandles med inhalasjonssteroider? [How to identify adrenal cortex suppression in children treated with inhalation steroids?]. Tidsskr Nor Laegeforen. 2005 Aug 11;125(15):2033. Norwegian. PMID: 16114125.
57. Angell-Andersen E, Tretli S, Bjerknes R, Forsén T, Sørensen TI, Eriksson JG, Räsänen L, Grotmol T. The association between nutritional conditions during World War II and childhood anthropometric variables in the Nordic countries. Ann Hum Biol. 2004 May-Jun;31(3):342-55. doi: 10.1080/03014460410001685304. PMID: 15204349.
58. Bjerknes R. Barn er ikke små voksne [Children are not small adults]. Tidsskr Nor Laegeforen. 2001 Feb 20;121(5):549. Norwegian. PMID: 11301604.
59. Bjerknes R, Skadberg B, Njølstad PR. Astma, inhalasjonssteroider og vekst [Asthma, steroid inhalation and growth]. Tidsskr Nor Laegeforen. 2001 Jan 30;121(3):281. Norwegian. PMID: 11242865.
60. Haug K, Irgens LM, Skjaerven R, Markestad T, Baste V, Schreuder P. Maternal smoking and birthweight: effect modification of period, maternal age and paternal smoking. Acta Obstet Gynecol Scand. 2000 Jun;79(6):485-9. PMID: 10857873.
61. Markestad T, Vik T, Ahlsten G, Gebre-Medhin M, Skjaerven R, Jacobsen G, Hoffman HJ, Bakketeig LS. Small-for-gestational-age (SGA) infants born at term: growth and development during the first year of life. Acta Obstet Gynecol Scand Suppl. 1997;165:93-101. PMID: 9219465.
62. Vik T, Markestad T, Ahlsten G, Gebre-Medhin M, Jacobsen G, Hoffman HJ, Bakketeig LS. Body proportions and early neonatal morbidity in small-for-gestational-age infants of successive births. Acta Obstet Gynecol Scand Suppl. 1997;165:76-81. PMID: 9219462.
63. Markestad T, Lossius P, Maartmann-Moe H, Iversen OE, Lie RT, Bergsjø P, Jacobsen G, Hoffman HJ, Bakketeig LS. Cell division in placentas of appropriate and small-for-gestational-age infants. A flow cytometry study. Acta Obstet Gynecol Scand Suppl. 1997;165:59-62. PMID: 9219459.
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72. Markestad T, Fitzhardinge PM. Growth and development in children recovering from bronchopulmonary dysplasia. J Pediatr. 1981 Apr;98(4):597-602. doi: 10.1016/s0022-3476(81)80774-3. PMID: 7205491.

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Peer review publications:

1. Danielsen YS, Skjåkødegård HF, Wilfley D, Conlon RPK, Molde H, Skodvin VA, Juliusson PB. Youth with severe obesity do not demonstrate increased eating disorder symptoms following family-based behavioral obesity treatment. Eat Weight Disord. 2026 Mar 14. doi: 10.1007/s40519-026-01839-3. Epub ahead of print. PMID: 41831102.
2. Vujasinovic M, Parhiala M, Olesen SS, Engjom T, Erchinger F, Tjora E, Frøkjær JB, Laukkarinen J, Nøjgaard C, Lisitskaya MV, Nordaas IK, Haldorsen I, Nørregaard P, Gulbinas A, Pukitis A, Wellner U, Drewes AM, Löhr JM; Scandinavian Baltic Pancreatitis Expert group. A decade of collaborative research: insights from the Scandinavian Baltic Pancreatic Club database on chronic pancreatitis. Scand J Gastroenterol. 2026 Feb 14:1-11. doi: 10.1080/00365521.2026.2625821. Epub ahead of print. PMID: 41689443.
3. Bjørke-Monsen AL, Torsvik IK, Bentsen MHL, Halvorsen T, Ueland PM. Exclusive Breastfeeding Is Not Ensuring an Adequate Vitamin B Status in Premature Infants with Very Low Birth Weight. Nutrients. 2026 Jan 27;18(3):423. doi: 10.3390/nu18030423. PMID: 41683246; PMCID: PMC12900017.
4. Juliusson PB. Is a new definition for childhood obesity needed? Expert Rev Endocrinol Metab. 2025 Nov;20(6):449-451. doi: 10.1080/17446651.2025.2570236. Epub 2025 Oct 6. PMID: 41051735.
5. Jouleh T, Kotopoulis S, Dimcevski G, Tjora E, Gilja OH, Meling SV, Søfteland EW, Nordaas IK. Comparison of two- and three-dimensional ultrasound for volume estimation of the meal-stimulated gallbladder. J Ultrason. 2025 Nov 17;25(103):20250031. doi: 10.15557/jou.2025.0031. PMID: 41368125; PMCID: PMC12683710.
6. Øymar K, Tjora E, Størdal K. Ammende trenger sjelden å slutte med kumelk. Tidsskr Nor Laegeforen. 2025 Aug 21;145. Norwegian. doi: 10.4045/tidsskr.25.0349. PMID: 40844400.
7. Thomassen RA, Kvammen JA, Bentsen BS, Bratlie M, Bøhn SK, Farstad H, Kahrs C, Ngo L, Nybø C, Sæland C, Tjora E, Tronstad RR, Størdal K, Brun AC, Henriksen C. Effect of prebiotics on gastrointestinal symptoms and quality of life in children with intestinal failure: A pilot study. J Pediatr Gastroenterol Nutr. 2025 Oct;81(4):975-985. doi: 10.1002/jpn3.70186. Epub 2025 Aug 6. PMID: 40770855; PMCID: PMC12484718.
8. Helgeland H, Boye B, Kristiansen H, Tangen MK, Høifødt HSH, Herner LB, Sagabråten SO, Karlsen KE, Diseth TH. Pasienter med funksjonelle lidelser trenger et bedre behandlingstilbud. Tidsskr Nor Laegeforen. 2025 May 20;145(8). Norwegian. doi: 10.4045/tidsskr.24.0567. PMID: 40575824.
9. Balthasar MR, Roelants M, Brannsether-Ellingsen B, Bjarnason R, Bergh IH, Kvalvik LG, Stangenes KM, Jugessur A, Tollånes MC, Markussen F, Juliusson PB. Trends in overweight and obesity in Bergen, Norway, using data from routine child healthcare 2010-2022. Acta Paediatr. 2024 Sep;113(9):2098-2106. doi: 10.1111/apa.17323. Epub 2024 Jun 19. PMID: 38895765.
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Peer review publications:

1. Bårdsen T, Vollsæter M. Understanding lung disease following extremely preterm birth. Thorax. 2026 Jan 15;81(2):114-115. doi: 10.1136/thorax-2025-223547. PMID: 41136215.
2. Øymar MV, Selvakumar J, Dalen I, Klaseie KE, Sivanantham U, Øvsthus K, Heimdal I, Holte K, Risnes K, Klingenberg C, Størdal K, Øymar K. Regional Differences and Time Trends in the Treatment of Infants Hospitalised With Bronchiolitis in Norway. Acta Paediatr. 2026 Feb;115(2):378-387. doi: 10.1111/apa.70338. Epub 2025 Oct 13. PMID: 41078256.
3. Sørensen KG, Øymar K, Dalen I, Halvorsen T, Mikalsen IB. Bronchial hyper-reactivity in young adults after hospitalisation for bronchiolitis in infancy. BMJ Open Respir Res. 2025 Oct 20;12(1):e002881. doi: 10.1136/bmjresp-2024-002881. PMID: 41120185; PMCID: PMC12542717.
4. Andersen TM, Conde B, Vollsæter M. Seeing in Synchrony: Toward Personalized Noninvasive Ventilation in Amyotrophic Lateral Sclerosis Through Dynamic Upper-Airway Visualization. Respir Care. 2025 Sep;70(9):1193-1195. doi: 10.1089/respcare.13193. Epub 2025 Jun 12. PMID: 40504748.
5. Bårdsen T, Satrell E, Drange Røksund O, Røineland Benestad M, Hufthammer KO, Clemm H, Bruun Mikalsen I, Øymar K, Halvorsen T, Vollsæter M. Lung function outcomes in adults born extremely preterm across three decades of advancing perinatal medicine. Acta Paediatr. 2024 Nov 22. doi: 10.1111/apa.17498. Epub ahead of print. PMID: 39575862.
6. Vaula S, Øymar K, Hovland V, Matthews IL, Sachs-Strømmen C, Skjerven HO, Crowley S, Mikalsen IB. Trakeobronkomalasi hos barn. Tidsskr Nor Laegeforen. 2024 Oct 31;144(13). Norwegian. doi: 10.4045/tidsskr.24.0116. PMID: 39498651.
7. Lillebøe HL, Engeset MS, Clemm HH, Halvorsen T, Røksund OD, Potrebny T, Vollsæter M. Expiratory airflow limitation in adults born extremely preterm: A systematic review and meta-analysis. Paediatr Respir Rev. 2024 Jun;50:2-22. doi: 10.1016/j.prrv.2024.02.002. Epub 2024 Feb 16. PMID: 38490917.
8. Halvorsen T. Ambient Air Pollution and Morbidities in Bronchopulmonary Dysplasia; It's All about the Money. Ann Am Thorac Soc. 2024 Jan;21(1):34-36. doi: 10.1513/AnnalsATS.202310-893ED. PMID: 38156899; PMCID: PMC10867906.
9. Hov B, Andersen T, Toussaint M, Mikalsen IB, Vollsæter M, Brunborg C, Hovde M, Hovland V. Mechanically assisted cough strategies: user perspectives and cough flows in children with neurodisability. ERJ Open Res. 2024 Jan 8;10(1):00274-2023. doi: 10.1183/23120541.00274-2023. PMID: 38196892; PMCID: PMC10772903.
10. Simpson SJ, Du Berry C, Evans DJ, Gibbons JTD, Vollsæter M, Halvorsen T, Gruber K, Lombardi E, Stanojevic S, Hurst JR, Um-Bergström P, Hallberg J, Doyle LW, Kotecha S; PELICAN. Unravelling the respiratory health path across the lifespan for survivors of preterm birth. Lancet Respir Med. 2024 Feb;12(2):167-180. doi: 10.1016/S2213-2600(23)00272-2. Epub 2023 Nov 14. PMID: 37972623.
11. Budal EB, Bentsen MHL, Kessler J, Ebbing C, Lindemann PC, Haugen OH, Aukland SM, Eide GE, Halvorsen T, Collett K. Histologic chorioamnionitis in extremely preterm births, microbiological findings and infant outcome. J Matern Fetal Neonatal Med. 2023 Dec;36(1):2196599. doi: 10.1080/14767058.2023.2196599. PMID: 37031964.
12. Bårdsen T, Røksund OD, Eagan TML, Hufthammer KO, Benestad MR, Clemm HSH, Halvorsen T, Vollsæter M. Impaired Lung Function in Extremely Preterm-Born Adults in Their Fourth Decade of Life. Am J Respir Crit Care Med. 2023 Aug 15;208(4):493-495. doi: 10.1164/rccm.202303-0448LE. PMID: 37187173; PMCID: PMC10449077.
13. Sørensen KG, Øymar K, Halvorsen T, Mikalsen IB. Blood eosinophils during bronchiolitis were not associated with adult asthma in a Norwegian cohort study. Acta Paediatr. 2023 May;112(5):1124-1125. doi: 10.1111/apa.16710. Epub 2023 Feb 23. PMID: 36794990.
14. Hov B, Andersen T, Toussaint M, Mikalsen IB, Vollsaeter M, Markussen H, Indrekvam S, Hovland V. User-perceived impact of long-term mechanical assisted cough in paediatric neurodisability. Dev Med Child Neurol. 2023 May;65(5):655-663. doi: 10.1111/dmcn.15543. Epub 2023 Feb 14. PMID: 36787316.
15. Sørensen KG, Øymar K, Jonsson G, Dalen I, Halvorsen T, Mikalsen IB. Are BMI and adipokines associated with asthma, atopy and lung function in young adults previously hospitalized for bronchiolitis? Respir Med. 2023 Apr;209:107149. doi: 10.1016/j.rmed.2023.107149. Epub 2023 Feb 6. PMID: 36754217.
16. Sørensen KG, Øymar K, Dalen I, Halvorsen T, Bruun Mikalsen I. Blood eosinophils during bronchiolitis: Associations with atopy, asthma and lung function in young adults. Acta Paediatr. 2023 Apr;112(4):820-829. doi: 10.1111/apa.16666. Epub 2023 Jan 20. PMID: 36627486.
17. Benestad MR, Drageset J, Hufthammer KO, Vollsæter M, Halvorsen T, Vederhus BJ. Long-term follow-up of self-reported mental health and health-related quality of life in adults born extremely preterm. Early Hum Dev. 2022 Oct;173:105661. doi: 10.1016/j.earlhumdev.2022.105661. Epub 2022 Aug 31. PMID: 36067714.
18. Benestad MR, Drageset J, Eide GE, Vollsæter M, Halvorsen T, Vederhus BJ. Development of health-related quality of life and subjective health complaints in adults born extremely preterm: a longitudinal cohort study. Health Qual Life Outcomes. 2022 Jul 23;20(1):112. doi: 10.1186/s12955-022-02018-5. PMID: 35870980; PMCID: PMC9308198.
19. Bårdsen T, Røksund OD, Benestad MR, Hufthammer KO, Clemm HH, Mikalsen IB, Øymar K, Markestad T, Halvorsen T, Vollsæter M. Tracking of lung function from 10 to 35 years after being born extremely preterm or with extremely low birth weight. Thorax. 2022 Aug;77(8):790-798. doi: 10.1136/thoraxjnl-2021-218400. Epub 2022 Apr 11. PMID: 35410959; PMCID: PMC9340024.
20. Satrell E, Clemm H, Røksund OD, Hufthammer KO, Thorsen E, Halvorsen T, Vollsæter M. Development of lung diffusion to adulthood following extremely preterm birth. Eur Respir J. 2022 May 19;59(5):2004103. doi: 10.1183/13993003.04103-2020. PMID: 34625479; PMCID: PMC9117733.
21. Budal EB, Ebbing C, Kessler J, Bains S, Haugen OH, Aukland SM, Eide GE, Halvorsen T, Bentsen MHL, Collett K. Placental histology predicted adverse outcomes in extremely premature neonates in Norway-population-based study. Acta Paediatr. 2022 Mar;111(3):546-553. doi: 10.1111/apa.16198. Epub 2021 Dec 6. PMID: 34825402.
22. Engan M, Engeset MS, Sandvik L, Gamlemshaug OCO, Engesæter IØ, Øymar K, Vollsæter M, Røksund OD, Hufthammer KO, Halvorsen T, Clemm HH. Left Vocal Cord Paralysis, Lung Function and Exercise Capacity in Young Adults Born Extremely Preterm With a History of Neonatal Patent Ductus Arteriosus Surgery-A National Cohort Study. Front Pediatr. 2022 Jan 3;9:780045. doi: 10.3389/fped.2021.780045. PMID: 35047462; PMCID: PMC8761768.
23. Sørensen KG, Øymar K, Dalen I, Halvorsen T, Mikalsen IB. Asthma, atopy and lung function in young adults after hospitalisation for bronchiolitis in infancy: impact of virus and sex. BMJ Open Respir Res. 2022 Jan;9(1):e001095. doi: 10.1136/bmjresp-2021-001095. PMID: 35046087; PMCID: PMC8772454.
24. Hoareau L, Engelsen AST, Aanerud M, Ramnefjell MP, Salminen PR, Gärtner F, Halvorsen T, Raeder H, Bentsen MHL. Induction of alveolar and bronchiolar phenotypes in human lung organoids. Physiol Rep. 2021 Jun;9(11):e14857. doi: 10.14814/phy2.14857. PMID: 34110705; PMCID: PMC8191394.
25. Andersen TM, Hov B, Halvorsen T, Røksund OD, Vollsæter M. Upper Airway Assessment and Responses During Mechanically Assisted Cough. Respir Care. 2021 Jul;66(7):1196-1213. doi: 10.4187/respcare.08960. Epub 2021 Feb 12. PMID: 33579747.
26. Mikalsen IB, Halvorsen T, Juliusson PB, Magnus M, Nystad W, Stensrud T, Størdal K, Vollsæter M, Øymar K. Early life growth and associations with lung function and bronchial hyperresponsiveness at 11-years of age. Respir Med. 2021 Feb;177:106305. doi: 10.1016/j.rmed.2021.106305. Epub 2021 Jan 8. PMID: 33482491.
27. Kuiper IN, Svanes C, Markevych I, Accordini S, Bertelsen RJ, Bråbäck L, Heile Christensen J, Forsberg B, Halvorsen T, Heinrich J, Hertel O, Hoek G, Holm M, de Hoogh K, Janson C, Malinovschi A, Marcon A, Miodini Nilsen R, Sigsgaard T, Johannessen A. Lifelong exposure to air pollution and greenness in relation to asthma, rhinitis and lung function in adulthood. Environ Int. 2021 Jan;146:106219. doi: 10.1016/j.envint.2020.106219. Epub 2020 Oct 27. PMID: 33126061.
28. Sørensen KG, Mikalsen IB, Neven A, Øymar K. Half of children with recurrent or chronic wet cough before three years of age were symptom-free by age seven. Acta Paediatr. 2020 Dec;109(12):2664-2670. doi: 10.1111/apa.15293. Epub 2020 Apr 22. PMID: 32271955.
29. Sautter M, Halvorsen T, Engan M, Clemm H, Bentsen MHL. Electromagnetic inductance plethysmography to study airflow after nebulized saline in bronchiolitis. Pediatr Pulmonol. 2020 Dec;55(12):3437-3442. doi: 10.1002/ppul.25058. Epub 2020 Sep 15. PMID: 32897652.
30. Mikalsen IB, Byberg K, Forman MR, Øymar K. Adipokines in adolescence; the associations with lung function and atopy - A cross-sectional study. Respir Med. 2020 Aug-Sep;170:106063. doi: 10.1016/j.rmed.2020.106063. Epub 2020 Jun 15. PMID: 32705985.
31. Kuiper IN, Markevych I, Accordini S, Bertelsen RJ, Bråbäck L, Christensen JH, Forsberg B, Halvorsen T, Heinrich J, Hertel O, Hoek G, Holm M, de Hoogh K, Janson C, Malinovschi A, Marcon A, Sigsgaard T, Svanes C, Johannessen A. Associations of Preconception Exposure to Air Pollution and Greenness with Offspring Asthma and Hay Fever. Int J Environ Res Public Health. 2020 Aug 12;17(16):5828. doi: 10.3390/ijerph17165828. PMID: 32806543; PMCID: PMC7459891.
32. Sørensen KG, Øymar K, Halvorsen T, Mikalsen IB. Reply to Korppi and Riikonen. Pediatr Allergy Immunol. 2020 Aug;31(6):720-721. doi: 10.1111/pai.13272. Epub 2020 Jun 8. PMID: 32383494.
33. Engan M, Engeseth MS, Fevang S, Vollsæter M, Eide GE, Røksund OD, Halvorsen T, Clemm H. Predicting physical activity in a national cohort of children born extremely preterm. Early Hum Dev. 2020 Jun;145:105037. doi: 10.1016/j.earlhumdev.2020.105037. Epub 2020 Apr 11. PMID: 32438296.
34. Engeseth MS, Engan M, Clemm H, Vollsæter M, Nilsen RM, Markestad T, Halvorsen T, Røksund OD. Voice and Exercise Related Respiratory Symptoms in Extremely Preterm Born Children After Neonatal Patent Ductus Arteriosus. Front Pediatr. 2020 Apr 8;8:150. doi: 10.3389/fped.2020.00150. PMID: 32322565; PMCID: PMC7156623.
35. Duijts L, van Meel ER, Moschino L, Baraldi E, Barnhoorn M, Bramer WM, Bolton CE, Boyd J, Buchvald F, Del Cerro MJ, Colin AA, Ersu R, Greenough A, Gremmen C, Halvorsen T, Kamphuis J, Kotecha S, Rooney-Otero K, Schulzke S, Wilson A, Rigau D, Morgan RL, Tonia T, Roehr CC, Pijnenburg MW. European Respiratory Society guideline on long-term management of children with bronchopulmonary dysplasia. Eur Respir J. 2020 Jan 2;55(1):1900788. doi: 10.1183/13993003.00788-2019. PMID: 31558663.
36. Sørensen KG, Øymar K, Dalen I, Halvorsen T, Mikalsen IB. Lung function and bronchial hyper-reactivity from 11 to 18 years in children with bronchiolitis in infancy. Pediatr Allergy Immunol. 2020 Jan;31(1):57-65. doi: 10.1111/pai.13137. Epub 2019 Oct 25. Erratum in: Pediatr Allergy Immunol. 2022 Dec;33(12): PMID: 31595542.
37. Engan M, Vollsæter M, Øymar K, Markestad T, Eide GE, Halvorsen T, Juliusson P, Clemm H. Comparison of physical activity and body composition in a cohort of children born extremely preterm or with extremely low birth weight to matched term-born controls: a follow-up study. BMJ Paediatr Open. 2019 Jun 29;3(1):e000481. doi: 10.1136/bmjpo-2019-000481. PMID: 31338430; PMCID: PMC6613845.
38. Doyle LW, Andersson S, Bush A, Cheong JLY, Clemm H, Evensen KAI, Gough A, Halvorsen T, Hovi P, Kajantie E, Lee KJ, McGarvey L, Narang I, Näsänen-Gilmore P, Steinshamn S, Vollsaeter M, Vrijlandt EJLE; Adults born Preterm International Collaboration. Expiratory airflow in late adolescence and early adulthood in individuals born very preterm or with very low birthweight compared with controls born at term or with normal birthweight: a meta-analysis of individual participant data. Lancet Respir Med. 2019 Aug;7(8):677-686. doi: 10.1016/S2213-2600(18)30530-7. Epub 2019 May 8. PMID: 31078498.
39. Mikalsen IB, Dalen I, Karlstad Ø, Eide GE, Magnus M, Nystad W, Øymar K. Airway symptoms and atopy in young children prescribed asthma medications: A large-scale cohort study. Pediatr Pulmonol. 2019 Oct;54(10):1557-1566. doi: 10.1002/ppul.24437. Epub 2019 Jul 4. PMID: 31273956.
40. Mikalsen IB, Nassehi D, Øymar K. Vortex Whistle and Smart Phone Application for Peak Flow Recordings in Asthmatic Children: A Feasibility Study. Telemed J E Health. 2019 Nov;25(11):1077-1082. doi: 10.1089/tmj.2018.0270. Epub 2018 Dec 20. PMID: 30570372; PMCID: PMC6842893.
41. Halvorsen T. Our Tiny Preemies: What Will Become of Their Future Pulmonary Health? Ann Am Thorac Soc. 2018 Nov;15(11):1276-1278. doi: 10.1513/AnnalsATS.201808-579ED. PMID: 30382787.
42. Kotecha S, Clemm H, Halvorsen T, Kotecha SJ. Bronchial hyper-responsiveness in preterm-born subjects: A systematic review and meta-analysis. Pediatr Allergy Immunol. 2018 Nov;29(7):715-725. doi: 10.1111/pai.12957. Epub 2018 Sep 5. PMID: 30014518.
43. Hestnes J, Hoel H, Risa OJ, Romstøl HO, Røksund O, Frisk B, Thorsen E, Halvorsen T, Clemm HH. Ventilatory Efficiency in Children and Adolescents Born Extremely Preterm. Front Physiol. 2017 Jul 13;8:499. doi: 10.3389/fphys.2017.00499. PMID: 28751866; PMCID: PMC5508024.
44. Skromme K, Vollsæter M, Øymar K, Markestad T, Halvorsen T. Respiratory morbidity through the first decade of life in a national cohort of children born extremely preterm. BMC Pediatr. 2018 Mar 7;18(1):102. doi: 10.1186/s12887-018-1045-7. PMID: 29514655; PMCID: PMC5840932.
45. Bentsen MH, Markestad T, Halvorsen T. Ventilator flow data predict bronchopulmonary dysplasia in extremely premature neonates. ERJ Open Res. 2018 Mar 13;4(1):00099-2017. doi: 10.1183/23120541.00099-2017. PMID: 29546045; PMCID: PMC5847811.
46. Clemm HH, Engeseth M, Vollsæter M, Kotecha S, Halvorsen T. Bronchial hyper-responsiveness after preterm birth. Paediatr Respir Rev. 2018 Mar;26:34-40. doi: 10.1016/j.prrv.2017.06.010. Epub 2017 Jun 20. PMID: 28709779.
47. Byberg KK, Mikalsen IB, Eide GE, Forman MR, Júlíusson PB, Øymar K. The associations between weight-related anthropometrics during childhood and lung function in late childhood: a retrospective cohort study. BMC Pulm Med. 2018 Jan 19;18(1):10. doi: 10.1186/s12890-017-0567-3. PMID: 29351745; PMCID: PMC5775530.
48. Øymar K, Mikalsen IB, Crowley S. K. Øymar og medarbeidere svarer. Tidsskr Nor Laegeforen. 2018 Jan 8;138(1). Norwegian. doi: 10.4045/tidsskr.17.1089. PMID: 29313607.
49. Bentsen MH, Markestad T, Øymar K, Halvorsen T. Lung function at term in extremely preterm-born infants: a regional prospective cohort study. BMJ Open. 2017 Oct 25;7(10):e016868. doi: 10.1136/bmjopen-2017-016868. PMID: 29074512; PMCID: PMC5665228.
50. Bentsen MH, Satrell E, Reigstad H, Johnsen SL, Vollsæter M, Røksund OD, Greve G, Berg A, Markestad T, Halvorsen T. Mid-childhood outcomes after pre-viable preterm premature rupture of membranes. J Perinatol. 2017 Sep;37(9):1053-1059. doi: 10.1038/jp.2017.97. Epub 2017 Jun 29. PMID: 28661513.
51. Bjørke-Monsen AL, Vollsæter M, Ueland PM, Markestad T, Øymar K, Halvorsen T. Increased Bronchial Hyperresponsiveness and Higher Asymmetric Dimethylarginine Levels after Fetal Growth Restriction. Am J Respir Cell Mol Biol. 2017 Jan;56(1):83-89. doi: 10.1165/rcmb.2016-0210OC. PMID: 27574738.
52. Bentsen MH, Eriksen M, Olsen MS, Markestad T, Halvorsen T. Electromagnetic inductance plethysmography is well suited to measure tidal breathing in infants. ERJ Open Res. 2016 Nov 24;2(4):00062-2016. doi: 10.1183/23120541.00062-2016. PMID: 28053968; PMCID: PMC5152798.
53. Vollsæter M. Lungehelse etter ekstremt for tidlig fødsel. Tidsskr Nor Laegeforen. 2016 Sep 27;136(17):1475. Norwegian. doi: 10.4045/tidsskr.16.0643. PMID: 27686214.
54. Clemm HS. Fysisk kapasitet hos ekstremt premature. Tidsskr Nor Laegeforen. 2016 Feb 23;136(4):340. Norwegian. doi: 10.4045/tidsskr.15.1325. PMID: 26905855.
55. Vollsæter M, Skromme K, Satrell E, Clemm H, Røksund O, Øymar K, Markestad T, Halvorsen T. Children Born Preterm at the Turn of the Millennium Had Better Lung Function Than Children Born Similarly Preterm in the Early 1990s. PLoS One. 2015 Dec 7;10(12):e0144243. doi: 10.1371/journal.pone.0144243. PMID: 26641080; PMCID: PMC4671691.
56. Mikalsen IB, Skeiseid L, Tveit LM, Engelsvold DH, Øymar K. Decline in admissions for childhood asthma, a 26-year period population-based study. Pediatr Allergy Immunol. 2015 Dec;26(8):750-5. doi: 10.1111/pai.12372. Epub 2015 May 7. PMID: 25787851.
57. Bentsen MH, Haaland ØA, Lønning LB, Gudmundsdottir HK, Markestad T, Halvorsen T. A new non-invasive method of infant spirometry demonstrates a level of repeatability that is comparable to traditional methods. Acta Paediatr. 2015 Nov;104(11):1130-7. doi: 10.1111/apa.13155. PMID: 26287280.
58. Clemm HH, Vollsaeter M, Røksund OD, Markestad T, Halvorsen T. Adolescents who were born extremely preterm demonstrate modest decreases in exercise capacity. Acta Paediatr. 2015 Nov;104(11):1174-81. doi: 10.1111/apa.13080. Epub 2015 Jul 28. PMID: 26096772.
59. Skromme K, Leversen KT, Eide GE, Markestad T, Halvorsen T. Respiratory illness contributed significantly to morbidity in children born extremely premature or with extremely low birthweights in 1999-2000. Acta Paediatr. 2015 Nov;104(11):1189-98. doi: 10.1111/apa.13165. PMID: 26303868.
60. Vollsæter M, Clemm HH, Satrell E, Eide GE, Røksund OD, Markestad T, Halvorsen T. Adult respiratory outcomes of extreme preterm birth. A regional cohort study. Ann Am Thorac Soc. 2015 Mar;12(3):313-22. doi: 10.1513/AnnalsATS.201406-285OC. PMID: 25616079.
61. Clemm HH, Vollsæter M, Røksund OD, Eide GE, Markestad T, Halvorsen T. Exercise capacity after extremely preterm birth. Development from adolescence to adulthood. Ann Am Thorac Soc. 2014 May;11(4):537-45. doi: 10.1513/AnnalsATS.201309-311OC. PMID: 24502400.
62. Øymar K, Bårdsen K. Continuous positive airway pressure for bronchiolitis in a general paediatric ward; a feasibility study. BMC Pediatr. 2014 May 12;14:122. doi: 10.1186/1471-2431-14-122. PMID: 24886569; PMCID: PMC4020573.
63. Øymar K, Skjerven HO, Mikalsen IB. Acute bronchiolitis in infants, a review. Scand J Trauma Resusc Emerg Med. 2014 Apr 3;22:23. doi: 10.1186/1757-7241-22-23. PMID: 24694087; PMCID: PMC4230018.
64. Mikalsen IB, Halvorsen T, Øymar K. Blood eosinophil counts during bronchiolitis are related to bronchial hyper-responsiveness and lung function in early adolescence. Acta Paediatr. 2014 Jan;103(1):86-92. doi: 10.1111/apa.12432. Epub 2013 Nov 11. PMID: 24117779.
65. Satrell E, Røksund O, Thorsen E, Halvorsen T. Pulmonary gas transfer in children and adolescents born extremely preterm. Eur Respir J. 2013 Dec;42(6):1536-44. doi: 10.1183/09031936.00027112. Epub 2012 Nov 22. PMID: 23180590.
66. Mikalsen IB, Halvorsen T, Eide GE, Øymar K. Severe bronchiolitis in infancy: can asthma in adolescence be predicted? Pediatr Pulmonol. 2013 Jun;48(6):538-44. doi: 10.1002/ppul.22675. Epub 2012 Sep 13. PMID: 22976850.
67. Vollsæter M, Røksund OD, Eide GE, Markestad T, Halvorsen T. Lung function after preterm birth: development from mid-childhood to adulthood. Thorax. 2013 Aug;68(8):767-76. doi: 10.1136/thoraxjnl-2012-202980. Epub 2013 Jun 7. PMID: 23749815.
68. Clemm H, Røksund O, Thorsen E, Eide GE, Markestad T, Halvorsen T. Aerobic capacity and exercise performance in young people born extremely preterm. Pediatrics. 2012 Jan;129(1):e97-e105. doi: 10.1542/peds.2011-0326. Epub 2011 Dec 26. PMID: 22201154.
69. Farstad T, Bratlid D, Medbø S, Markestad T; Norwegian Extreme Prematurity Study Group. Bronchopulmonary dysplasia - prevalence, severity and predictive factors in a national cohort of extremely premature infants. Acta Paediatr. 2011 Jan;100(1):53-8. doi: 10.1111/j.1651-2227.2010.01959.x. PMID: 20653607.
70. Øymar K, Halvorsen T. Emergency presentation and management of acute severe asthma in children. Scand J Trauma Resusc Emerg Med. 2009 Sep 4;17:40. doi: 10.1186/1757-7241-17-40. PMID: 19732437; PMCID: PMC2749010.
71. Aukland SM, Rosendahl K, Owens CM, Fosse KR, Eide GE, Halvorsen T. Neonatal bronchopulmonary dysplasia predicts abnormal pulmonary HRCT scans in long-term survivors of extreme preterm birth. Thorax. 2009 May;64(5):405-10. doi: 10.1136/thx.2008.103739. Epub 2009 Jan 21. PMID: 19158126.
72. Røsvik A, Øymar K, Kvaløy JT, Berget M. Oxygen saturation in healthy newborns; influence of birth weight and mode of delivery. J Perinat Med. 2009;37(4):403-6. doi: 10.1515/JPM.2009.070. PMID: 19292585.
73. O'Byrne PM, Pedersen S, Lamm CJ, Tan WC, Busse WW; START Investigators Group. Severe exacerbations and decline in lung function in asthma. Am J Respir Crit Care Med. 2009 Jan 1;179(1):19-24. doi: 10.1164/rccm.200807-1126OC. Epub 2008 Oct 31. Erratum in: Am J Respir Crit Care Med. 2010 Oct 1;182(7):983-4. PMID: 18990678.
74. Tollånes MC, Moster D, Daltveit AK, Irgens LM. Cesarean section and risk of severe childhood asthma: a population-based cohort study. J Pediatr. 2008 Jul;153(1):112-6. doi: 10.1016/j.jpeds.2008.01.029. Epub 2008 Mar 21. PMID: 18571547.
75. Aaseboe K, Berstad AK, Skadberg BT. Noninvasive treatment of bronchomalacia, successful ventilation of a severely ill infant. Acta Paediatr. 2007 Feb;96(2):310-2. doi: 10.1111/j.1651-2227.2007.00041.x. PMID: 17429927.
76. Reindal L, Øymar K. Hospital admissions for wheezing and asthma in childhood--are they avoidable? J Asthma. 2006 Dec;43(10):801-6. doi: 10.1080/02770900601034320. PMID: 17169835.
77. Aukland SM, Halvorsen T, Fosse KR, Daltveit AK, Rosendahl K. High-resolution CT of the chest in children and young adults who were born prematurely: findings in a population-based study. AJR Am J Roentgenol. 2006 Oct;187(4):1012-8. doi: 10.2214/AJR.05.0383. PMID: 16985150.
78. Halvorsen T, Skadberg BT, Eide GE, Røksund OD, Markestad T. Better care of immature infants; has it influenced long-term pulmonary outcome? Acta Paediatr. 2006 May;95(5):547-54. doi: 10.1080/08035250500477529. PMID: 16825134.
79. Halvorsen T, Skadberg BT, Eide GE, Røksund O, Aksnes L, Øymar K. Characteristics of asthma and airway hyper-responsiveness after premature birth. Pediatr Allergy Immunol. 2005 Sep;16(6):487-94. doi: 10.1111/j.1399-3038.2005.00314.x. PMID: 16176395.
80. Smith-Sivertsen T, Rørtveit G, Gulsvik A, Bakke PS, Skadberg B. Et tverrfaglig undervisningsopplegg om obstruktiv lungesykdom i allmennpraksis [An interdisciplinary educational program about pulmonary obstructive disease in family practice]. Tidsskr Nor Laegeforen. 2005 Feb 17;125(4):465. Norwegian. PMID: 15742027.
81. Halvorsen T, Skadberg BT, Eide GE, Røksund OD, Bakke P, Thorsen E. Assessment of lung volumes in children and adolescents: comparison of two plethysmographic techniques. Clin Physiol Funct Imaging. 2005 Jan;25(1):62-8. doi: 10.1111/j.1475-097X.2004.00591.x. PMID: 15659083.
82. Halvorsen T, Skadberg BT, Eide GE, Røksund OD, Carlsen KH, Bakke P. Pulmonary outcome in adolescents of extreme preterm birth: a regional cohort study. Acta Paediatr. 2004 Oct;93(10):1294-300. PMID: 15499947.
83. Halvorsen T, Skadberg BT, Eide GE, Røksund OD, Carlsen KH, Bakke P. Pulmonary outcome in adolescents of extreme preterm birth: a regional cohort study. Acta Paediatr. 2004 Oct;93(10):1294-300. PMID: 15499947.
84. Engelsvold DH, Øymar K. Innleggelser for akutt astma hos barn [Hospital admissions for acute asthma in children]. Tidsskr Nor Laegeforen. 2003 Dec 23;123(24):3517-9. Norwegian. PMID: 14691487.
85. Engelsvold DH, Øymar K. Hospital admissions for childhood asthma in Rogaland, Norway, from 1984 to 2000. Acta Paediatr. 2003 May;92(5):610-6. PMID: 12839293.

Peer review publications:

1. Bovim LPV, Rotevatn EØ, Kvidaland HK, Bogen B, Halvorsen T, Engan M. Feasibility of a group-based intervention to enhance health-related quality of life and physical activity in children and adolescents with chronic illness: a study protocol. Pilot Feasibility Stud. 2025 Jul 17;11(1):101. doi: 10.1186/s40814-025-01682-w. PMID: 40676648; PMCID: PMC12273055.
2. Brekka AK, Vollsæter M, Fretheim-Kelly Z, Lujan M, Nilsen RM, Clemm HH, Heimdal JH, Halvorsen T, Fondenes O, Røksund OD, Andersen TM. Exploring upper airway and laryngeal resistance to noninvasive ventilation in healthy awake adults. Physiol Rep. 2025 Oct;13(20):e70621. doi: 10.14814/phy2.70621. PMID: 41103067; PMCID: PMC12531353.
3. Halvorsen T, Røksund OD. From Concept to Clinic: A Long-Awaited, Structured, Theory-Informed Multimodal Treatment Model for Inducible Laryngeal Obstruction. Respirology. 2025 Oct;30(10):908-909. doi: 10.1111/resp.70088. Epub 2025 Jun 30. PMID: 40589141.
4. Fitzgerald HT, Halvorsen T, Engan M, Li S, Selvadurai H. Exercise capacity and the psychosocial effect in preterm born infants - Should we do more? Paediatr Respir Rev. 2025 Sep;55:10-16. doi: 10.1016/j.prrv.2025.01.001. Epub 2025 Jan 8. PMID: 39863457.
5. Mæstad R, Hanan A, Kristian Kvidaland H, Clemm H, Arghandeh R. LarynxFormer: a transformer-based framework for processing and segmenting laryngeal images. Front Digit Health. 2025 Jul 11;7:1459136. doi: 10.3389/fdgth.2025.1459136. PMID: 40718501; PMCID: PMC12289634.
6. Vreim K, Karlsen T, Carlsen PH, Nistad VH, Røksund OD, Halvorsen T, Vollsæter M, Heimdal JH, Clemm H, Engan M. Speech therapy for exercise-induced laryngeal obstruction. Eur Arch Otorhinolaryngol. 2025 Mar;282(3):1345-1354. doi: 10.1007/s00405-024-09190-y. Epub 2025 Jan 21. PMID: 39836184; PMCID: PMC11890322.
7. Fitzgerald HT, Halvorsen T, Engan M, Li S, Selvadurai H. Exercise capacity and the psychosocial effect in preterm born infants - Should we do more? Paediatr Respir Rev. 2025 Jan 8:S1526-0542(25)00002-8. doi: 10.1016/j.prrv.2025.01.001. Epub ahead of print. PMID: 39863457.
8. Brekka AK, Ntoumenopoulos G, Røksund OD, Engeset MS, Clemm H, Halvorsen T, Vollsæter M, Andersen T. Use of Laryngeal Ultrasound to Observe Laryngeal Movements During Noninvasive Ventilation in Healthy Volunteers. Respir Care. 2025 Mar;70(3):249-257. doi: 10.4187/respcare.12201. Epub 2024 Oct 29. PMID: 39472069.
9. Christen A, O'Connell A, Mayer I, Tona G, Hilland M, Clemm H. Understanding Speech-Language Pathology and Surgical Interventions for Exercise-Induced Laryngeal Obstruction. Immunol Allergy Clin North Am. 2025 Feb;45(1):29-38. doi: 10.1016/j.iac.2024.09.002. Epub 2024 Oct 24. PMID: 39608877.
10. Andersen TM, Brekka AK, Fretheim-Kelly Z, Lujan M, Heimdal JH, Clemm HH, Halvorsen T, Fondenes O, Nilsen RM, Røksund OD, Vollsæter M. Upper Airway and Translaryngeal Resistance During Mechanical Insufflation-Exsufflation. Chest. 2025 Jan;167(1):188-201. doi: 10.1016/j.chest.2024.08.022. Epub 2024 Aug 26. PMID: 39197511.
11. Hull JH, Clemm H, Backer V, Koehle M, Mountjoy M, Schwellnus M, Olin JT. Protecting respiratory health of athletes: an Olympic challenge. Lancet Respir Med. 2024 Jul;12(7):509-510. doi: 10.1016/S2213-2600(24)00183-8. Epub 2024 Jun 5. PMID: 38851194.
12. Karlsen T, Vreim K, Røksund OD, Vollsæter M, Muralitharan P, Ellingsen TA, Heimdal JH, Halvorsen T, Clemm H. A speech therapy treatment protocol for exercise induced laryngeal obstruction. Front Pediatr. 2024 Jun 13;12:1356476. doi: 10.3389/fped.2024.1356476. PMID: 38938504; PMCID: PMC11208626.
13. Carlsen PH, Muralitharan P, Fenne H, Hammer IJ, Engan M, Vollsæter M, Bovim LP, Røksund OD, Halvorsen T, Clemm HH. Laryngeal response to high-intensity exercise in healthy athletes. BMJ Open Sport Exerc Med. 2024 May 20;10(2):e001850. doi: 10.1136/bmjsem-2023-001850. PMID: 38779574; PMCID: PMC11110563.
14. Vollsæter M, Veierød SS, Sveen HH, Røksund OD, Moi AL, Jorem GT, Beisland EG. When Art Meets Medicine: Use of Flexible Laryngoscopy in Development of Singers' Voices-A Scoping Review. J Voice. 2024 Mar 28:S0892-1997(24)00066-3. doi: 10.1016/j.jvoice.2024.02.029. Epub ahead of print. PMID: 38553319.
15. Leong P, Hull JH, Gibson PG, Halvorsen T, Bardin PG; VCD/ILO Delphi Steering Committee. Reply. J Allergy Clin Immunol. 2023 Dec;152(6):1688-1689. doi: 10.1016/j.jaci.2023.08.027. Epub 2023 Sep 20. PMID: 37737751.
16. Leong P, Vertigan AE, Hew M, Baxter M, Phyland D, Hull JH, Carroll TL, Gibson PG, McDonald VM, Halvorsen T, Clemm HH, Vollsæter M, Røksund OD, Bardin PG; Vocal Cord Dysfunction/Inducible Laryngeal Obstruction Delphi Expert Panel. Diagnosis of vocal cord dysfunction/inducible laryngeal obstruction: An International Delphi Consensus Study. J Allergy Clin Immunol. 2023 Oct;152(4):899-906. doi: 10.1016/j.jaci.2023.06.007. Epub 2023 Jun 20. PMID: 37343843.
17. Leong P, Hull JH, Gibson PG, Halvorsen T, Bardin PG; VCD/ILO Delphi Steering Committee. Reply. J Allergy Clin Immunol. 2023 Sep 20:S0091-6749(23)01111-9. doi: 10.1016/j.jaci.2023.08.027. Epub ahead of print. PMID: 37737751.
18. Leong P, Vertigan AE, Hew M, Baxter M, Phyland D, Hull JH, Carroll TL, Gibson PG, McDonald VM, Halvorsen T, Clemm HH, Vollsæter M, Røksund OD, Bardin PG; Vocal Cord Dysfunction/Inducible Laryngeal Obstruction Delphi Expert Panel. Diagnosis of vocal cord dysfunction/inducible laryngeal obstruction: An International Delphi Consensus Study. J Allergy Clin Immunol. 2023 Oct;152(4):899-906. doi: 10.1016/j.jaci.2023.06.007. Epub 2023 Jun 20. PMID: 37343843.
19. Rogde ÅJ, Lehmann S, Halvorsen T, Clemm HH, Røksund OD, Hufthammer KO, Kvidaland HK, Vollsæter M, Andersen TM. Prevalence and impact of exercise-induced laryngeal obstruction in asthma: a study protocol for a cross-sectional and longitudinal study. BMJ Open. 2023 Jun 16;13(6):e071159. doi: 10.1136/bmjopen-2022-071159. PMID: 37328176; PMCID: PMC10277068.
20. Fretheim-Kelly Z, Clemm HSH, Røksund OD, Hilland M, Vollsæter M, Halvorsen T. Translaryngeal Resistance: A Measurement to Assist Decision Making in Upper Airway Pathology. Am J Respir Crit Care Med. 2023 Sep 15;208(6):e32-e34. doi: 10.1164/rccm.202205-0961IM. PMID: 37219897.
21. Bernhardsen GP, Stang J, Halvorsen T, Stensrud T. Differences in lung function, bronchial hyperresponsiveness and respiratory health between elite athletes competing in different sports. Eur J Sport Sci. 2023 Aug;23(8):1480-1489. doi: 10.1080/17461391.2022.2113144. Epub 2022 Aug 31. PMID: 35975407.
22. Clemm HSH. Letter from Norway. Respirology. 2023 May;28(5):500-501. doi: 10.1111/resp.14478. Epub 2023 Mar 7. PMID: 36882379.
23. Muralitharan P, Carlsen P, Hilland M, Delestre-Levai I, Vollsæter M, Hufthammer KO, Engan M, Røksund OD, Halvorsen T, Clemm HH. Use of inhaled ipratropium bromide to improve exercise-induced laryngeal obstruction cannot be recommended. ERJ Open Res. 2023 Jan 23;9(1):00308-2022. doi: 10.1183/23120541.00308-2022. PMID: 36699648; PMCID: PMC9868967.
24. Kvidaland H, Stadheim S, Bø S, Clemm H, Røksund OD, Vollsæter M, Hardie J. Is it feasible to perform a continuous laryngoscopy exercise test with a cold air inhalate? A case report. ERJ Open Res. 2022 Nov 28;8(4):00222-2022. doi: 10.1183/23120541.00222-2022. PMID: 36451846; PMCID: PMC9703141.
25. Gundersen H, Riiser A, Algroy E, Vestbøstad M, Saeterbakken AH, Clemm HH, Grendstad H, Hafstad A, Kristoffersen M, Rygh CB. Associations between biological maturity level, match locomotion, and physical capacities in youth male soccer players. Scand J Med Sci Sports. 2022 Nov;32(11):1592-1601. doi: 10.1111/sms.14225. Epub 2022 Aug 30. PMID: 36004501; PMCID: PMC9804799.
26. Andersen TM, Vollsæter M. Go With the Flow: Are We Cracking the Code? Respiratory Management of Bulbar ALS Is Evolving. Respir Care. 2022 Oct;67(10):1363-1365. doi: 10.4187/respcare.10487. PMID: 36137578.
27. Schwellnus M, Adami PE, Bougault V, Budgett R, Clemm HH, Derman W, Erdener U, Fitch K, Hull JH, McIntosh C, Meyer T, Pedersen L, Pyne DB, Reier-Nilsen T, Schobersberger W, Schumacher YO, Sewry N, Soligard T, Valtonen M, Webborn N, Engebretsen L. International Olympic Committee (IOC) consensus statement on acute respiratory illness in athletes part 1: acute respiratory infections. Br J Sports Med. 2022 Jul 21:bjsports-2022-105759. doi: 10.1136/bjsports-2022-105759. Epub ahead of print. PMID: 35863871.
28. Clemm HH, Olin JT, McIntosh C, Schwellnus M, Sewry N, Hull JH, Halvorsen T. Exercise-induced laryngeal obstruction (EILO) in athletes: a narrative review by a subgroup of the IOC Consensus on 'acute respiratory illness in the athlete'. Br J Sports Med. 2022 Jun;56(11):622-629. doi: 10.1136/bjsports-2021-104704. Epub 2022 Feb 22. PMID: 35193856; PMCID: PMC9120388
29. Schwellnus M, Adami PE, Bougault V, Budgett R, Clemm HH, Derman W, Erdener U, Fitch K, Hull JH, McIntosh C, Meyer T, Pedersen L, Pyne DB, Reier-Nilsen T, Schobersberger W, Schumacher YO, Sewry N, Soligard T, Valtonen M, Webborn N, Engebretsen L. International Olympic Committee (IOC) consensus statement on acute respiratory illness in athletes part 2: non-infective acute respiratory illness. Br J Sports Med. 2022 May 27:bjsports-2022-105567. doi: 10.1136/bjsports-2022-105567. Epub ahead of print. PMID: 35623888.
30. Brekka AK, Vollsæter M, Ntoumenopoulos G, Clemm HH, Halvorsen T, Røksund OD, Andersen TM. Adjustments of non-invasive ventilation and mechanically assisted cough by combining ultrasound imaging of the larynx with transnasal fibre-optic laryngoscopy: a protocol for an experimental study. BMJ Open. 2022 May 25;12(5):e059234. doi: 10.1136/bmjopen-2021-059234. PMID: 35613803; PMCID: PMC9134209.
31. Andersen T, Fondenes O, Røksund OD, Clemm H, Halvorsen T, Vollsæter M. From bedside to bench - In vivo and in vitro evaluation of mechanically assisted cough treatment in a patient with bulbar Amyotrophic Lateral Sclerosis. Respir Med Case Rep. 2022 Apr 9;37:101649. doi: 10.1016/j.rmcr.2022.101649. PMID: 35480384; PMCID: PMC9035434.
32. Fretheim-Kelly Z, Engan M, Clemm H, Andersen T, Heimdal JH, Strand E, Halvorsen T, Røksund O, Vollsæter M. Reliability of translaryngeal airway resistance measurements during maximal exercise. ERJ Open Res. 2022 Mar 14;8(1):00581-2021. doi: 10.1183/23120541.00581-2021. PMID: 35309036; PMCID: PMC8923134.
33. Halvorsen T, Røksund O. A novel validated tool to score symptom burden in exercise-induced laryngeal obstruction: can we simplify patient follow-up and research? Lancet Respir Med. 2022 Feb;10(2):131-132. doi: 10.1016/S2213-2600(22)00019-4. PMID: 35120607.
34. Clemm H, Røksund OD, Andersen T, Heimdal JH, Karlsen T, Hilland M, Fretheim-Kelly Z, Hufthammer KO, Sandnes A, Hjelle S, Vollsæter M, Halvorsen T; Bergen ILO-group. Exercise-induced Laryngeal Obstruction: Protocol for a Randomized Controlled Treatment Trial. Front Pediatr. 2022 Feb 7;10:817003. doi: 10.3389/fped.2022.817003. PMID: 35198517; PMCID: PMC8858975.
35. Olin JT, Fredericson M, Nichol C, Willick SE, Clemm HH; Tokyo 2020 Isolation Hotel medical support team. Lessons learned from the Tokyo games isolation hotel experience. Br J Sports Med. 2022 Jun;56(11):597-598. doi: 10.1136/bjsports-2021-105116. Epub 2022 Feb 11. PMID: 35149511.
36. Jansrud Hammer I, Halvorsen T, Vollsaeter M, Hilland M, Heimdal JH, Røksund OD, Clemm HH. Conundrums in the breathless athlete; exercise-induced laryngeal obstruction or asthma? Scand J Med Sci Sports. 2022 Jun;32(6):1041-1049. doi: 10.1111/sms.14137. Epub 2022 Feb 8. PMID: 35114031; PMCID: PMC9303344.
37. Vollsæter M, Stensrud T, Maat R, Halvorsen T, Røksund OD, Sandnes A, Clemm H. Exercise Related Respiratory Problems in the Young-Is It Exercise-Induced Bronchoconstriction or Laryngeal Obstruction? Front Pediatr. 2022 Jan 3;9:800073. doi: 10.3389/fped.2021.800073. PMID: 35047465; PMCID: PMC8762363.
38. Sandnes A, Andersen T, Clemm HH, Hilland M, Heimdal JH, Halvorsen T, Røksund OD, Vollsæter M. Clinical responses following inspiratory muscle training in exercise-induced laryngeal obstruction. Eur Arch Otorhinolaryngol. 2022 May;279(5):2511-2522. doi: 10.1007/s00405-021-07214-5. Epub 2021 Dec 26. PMID: 34954812; PMCID: PMC8986676.
39. Hammer S, Toussaint M, Vollsæter M, Nesbjørg Tvedt M, Drange Røksund O, Reychler G, Lund H, Andersen T. Exercise Training in Duchenne Muscular Dystrophy: A Systematic Review and Meta-Analysis. J Rehabil Med. 2022 Jan 11;54:jrm00250. doi: 10.2340/jrm.v53.985. PMID: 35642324; PMCID: PMC8862644.
40. Lie AH, Grønnevik I, Frisk B, Røksund OD, Hammer I, Vollsaeter M, Halvorsen T, Clemm HH. Breathing patterns in people with exercise-induced laryngeal obstruction. Physiol Rep. 2021 Nov;9(22):e15086. doi: 10.14814/phy2.15086. PMID: 34822227; PMCID: PMC8613803.
41. Benestad MR, Drageset J, Clemm H, Røksund OD, Vollsæter M, Halvorsen T, Hysing M, Vederhus BJ. Self-Reported Health in Adolescents With Exercise-Induced Laryngeal Obstruction; A Cross-Sectional Study. Front Pediatr. 2021 Jul 8;9:617759. doi: 10.3389/fped.2021.617759. PMID: 34307244; PMCID: PMC8295467.
42. McIntosh C, Clemm HH, Sewry N, Hrubos-Strøm H, Schwellnus MP. Diagnosis and management of nasal obstruction in the athlete. A narrative review by subgroup B of the IOC Consensus Group on "Acute Respiratory Illness in the Athlete". J Sports Med Phys Fitness. 2021 Aug;61(8):1144-1158. doi: 10.23736/S0022-4707.21.12821-X. Epub 2021 Jun 22. PMID: 34156184.
43. Engan M, Hammer IJ, Bekken M, Halvorsen T, Fretheim-Kelly ZL, Vollsæter M, Bovim LPV, Røksund OD, Clemm H. Reliability of maximum oxygen uptake in cardiopulmonary exercise testing with continuous laryngoscopy. ERJ Open Res. 2021 Feb 15;7(1):00825-2020. doi: 10.1183/23120541.00825-2020. PMID: 33614778; PMCID: PMC7882785.
44. Engan M, Hammer IJ, Stensrud T, Gundersen H, Edvardsen E, Clemm HH. Changes in pulmonary function and feasibility of portable continuous laryngoscopy during maximal uphill running. BMJ Open Sport Exerc Med. 2020 Aug 24;6(1):e000815. doi: 10.1136/bmjsem-2020-000815. PMID: 33403123; PMCID: PMC7772557.
45. Halvorsen T, Clemm HSH, Vollsæter M, Røksund OD. Conundrums of Exercise-related Breathing Problems. Epiglottic, Laryngeal, or Bronchial Obstruction? Am J Respir Crit Care Med. 2020 Nov 15;202(10):e142-e143. doi: 10.1164/rccm.201910-1921IM. PMID: 32783778.
46. Fretheim-Kelly Z, Halvorsen T, Heimdal JH, Strand E, Vollsaeter M, Clemm H, Roksund O. Feasibility and tolerability of measuring translaryngeal pressure during exercise. Laryngoscope. 2019 Dec;129(12):2748-2753. doi: 10.1002/lary.27846. Epub 2019 Jan 30. PMID: 30698834; PMCID: PMC6900056.
47. Fretheim-Kelly ZL, Halvorsen T, Clemm H, Roksund O, Heimdal JH, Vollsæter M, Fintl C, Strand E. Exercise Induced Laryngeal Obstruction in Humans and Equines. A Comparative Review. Front Physiol. 2019 Oct 30;10:1333. doi: 10.3389/fphys.2019.01333. PMID: 31736771; PMCID: PMC6831747.
48. Sandnes A, Hilland M, Vollsæter M, Andersen T, Engesæter IØ, Sandvik L, Heimdal JH, Halvorsen T, Eide GE, Røksund OD, Clemm HH. Severe Exercise-Induced Laryngeal Obstruction Treated With Supraglottoplasty. Front Surg. 2019 Jul 31;6:44. doi: 10.3389/fsurg.2019.00044. PMID: 31417908; PMCID: PMC6684966.
49. Andersen TM, Halvorsen T, Fondenes O, Heimdal JH, Røksund OD, Vollsæter M, Røksund OD. Larynx: The Complex Gateway to the Lungs. Respir Care. 2019 Jul;64(7):866-869. doi: 10.4187/respcare.06989. PMID: 31243162.
50. Sandnes A, Andersen T, Clemm HH, Hilland M, Vollsæter M, Heimdal JH, Eide GE, Halvorsen T, Røksund OD. Exercise-induced laryngeal obstruction in athletes treated with inspiratory muscle training. BMJ Open Sport Exerc Med. 2019 Jan 18;5(1):e000436. doi: 10.1136/bmjsem-2018-000436. PMID: 30792880; PMCID: PMC6350751.
51. Kolnes LJ, Vollsæter M, Røksund OD, Stensrud T. Physiotherapy improves symptoms of exercise-induced laryngeal obstruction in young elite athletes: a case series. BMJ Open Sport Exerc Med. 2019 Jan 23;5(1):e000487. doi: 10.1136/bmjsem-2018-000487. PMID: 30740235; PMCID: PMC6347884.
52. Andersen TM, Sandnes A, Fondenes O, Clemm H, Halvorsen T, Nilsen RM, Tysnes OB, Heimdal JH, Vollsæter M, Røksund OD. Laryngoscopy Can Be a Valuable Tool for Unexpected Therapeutic Response in Noninvasive Respiratory Interventions. Respir Care. 2018 Nov;63(11):1459-1461. doi: 10.4187/respcare.06674. PMID: 30389835.
53. Engeseth MS, Olsen NR, Maeland S, Halvorsen T, Goode A, Røksund OD. Left vocal cord paralysis after patent ductus arteriosus ligation: A systematic review. Paediatr Respir Rev. 2018 Jun;27:74-85. doi: 10.1016/j.prrv.2017.11.001. Epub 2017 Nov 15. PMID: 29336933.
54. Røksund OD, Olin JT, Halvorsen T. Working Towards a Common Transatlantic Approach for Evaluation of Exercise-Induced Laryngeal Obstruction. Immunol Allergy Clin North Am. 2018 May;38(2):281-292. doi: 10.1016/j.iac.2018.01.002. Epub 2018 Feb 19. PMID: 29631736.
55. Andersen TM, Sandnes A, Fondenes O, Nilsen RM, Tysnes OB, Heimdal JH, Clemm HH, Halvorsen T, Vollsæter M, Røksund OD. Laryngeal Responses to Mechanically Assisted Cough in Progressing Amyotrophic Lateral Sclerosis. Respir Care. 2018 May;63(5):538-549. doi: 10.4187/respcare.05924. Epub 2018 Apr 17. PMID: 29666294.
56. Clemm HSH, Sandnes A, Vollsæter M, Hilland M, Heimdal JH, Røksund OD, Halvorsen T. The Heterogeneity of Exercise-induced Laryngeal Obstruction. Am J Respir Crit Care Med. 2018 Apr 15;197(8):1068-1069. doi: 10.1164/rccm.201708-1646IM. PMID: 29390192.
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58. Andersen T, Sandnes A, Brekka AK, Hilland M, Clemm H, Fondenes O, Tysnes OB, Heimdal JH, Halvorsen T, Vollsæter M, Røksund OD. Laryngeal response patterns influence the efficacy of mechanical assisted cough in amyotrophic lateral sclerosis. Thorax. 2017 Mar;72(3):221-229. doi: 10.1136/thoraxjnl-2015-207555. Epub 2016 May 12. PMID: 27174631; PMCID: PMC5339574.
59. Hilland M, Røksund OD, Sandvik L, Haaland Ø, Aarstad HJ, Halvorsen T, Heimdal JH. Congenital laryngomalacia is related to exercise-induced laryngeal obstruction in adolescence. Arch Dis Child. 2016 May;101(5):443-8. doi: 10.1136/archdischild-2015-308450. Epub 2016 Feb 23. PMID: 26906070; PMCID: PMC4853585.
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Peer review publications:

1. Prytula A, Shroff R, van Gremberghe I, Krupka K, Bacchetta J, Benetti E, Grenda R, Guzzo I, Kanzelmeyer N, Büyükkaragöz B, Kranz B, Nalçacıoğlu H, Oh J, Pape L, Shenoy M, Sellier-Leclerc AL, Tönshoff B; European Society for Paediatric Nephrology Transplantation and CKD-MBD working groups and the Cooperative European Paediatric Renal Transplant Initiative Research Network. Metabolic Acidosis Is Associated With an Accelerated Decline of Allograft Function in Pediatric Kidney Transplantation. Kidney Int Rep. 2024 Apr 8;9(6):1684-1693. doi: 10.1016/j.ekir.2024.04.007. PMID: 38899185; PMCID: PMC11184248.
2. Smerkous D, Mauer M, Tøndel C, Svarstad E, Gubler MC, Nelson RG, Oliveira JP, Sargolzaeiaval F, Najafian B. Development of an automated estimation of foot process width using deep learning in kidney biopsies from patients with Fabry, minimal change, and diabetic kidney diseases. Kidney Int. 2023 Sep 27:S0085-2538(23)00675-0. doi: 10.1016/j.kint.2023.09.011. Epub ahead of print. PMID: 37774924.
3. Elsaid HOA, Rivedal M, Skandalou E, Svarstad E, Tøndel C, Birkeland E, Eikrem Ø, Babickova J, Marti HP, Furriol J. Proteomic analysis unveils Gb3-independent alterations and mitochondrial dysfunction in a gla^-/- zebrafish model of Fabry disease. J Transl Med. 2023 Sep 5;21(1):591. doi: 10.1186/s12967-023-04475-y. PMID: 37670295; PMCID: PMC10478213.
4. Salvador CL, Flemmen PTK, Tøndel C, Bliksrud YT, Tsui EFF, Brun A, Bjerre A, Mørkrid L. Renal function, sex and age influence purines and pyrimidines in urine and could lead to diagnostic misinterpretation. Mol Genet Metab. 2023 Jul 5;140(3):107649. doi: 10.1016/j.ymgme.2023.107649. Epub ahead of print. PMID: 37517327.
5. Lillås BS, Tøndel C, Melsom T, Eriksen BO, Marti HP, Vikse BE. Response to Birth Weight and Renal Functional Reserve in Adults. Kidney Int Rep. 2023 Jun 17;8(8):1700-1701. doi: 10.1016/j.ekir.2023.06.012. PMID: 37547517; PMCID: PMC10403668.
6. Delaleu N, Marti HP, Strauss P, Sekulic M, Osman T, Tøndel C, Skrunes R, Leh S, Svarstad E, Nowak A, Gaspert A, Rusu E, Kwee I, Rinaldi A, Flatberg A, Eikrem O. Systems analyses of the Fabry kidney transcriptome and its response to enzyme replacement therapy identified and cross-validated enzyme replacement therapy-resistant targets amenable to drug repurposing. Kidney Int. 2023 Oct;104(4):803-819. doi: 10.1016/j.kint.2023.06.029. Epub 2023 Jul 5. PMID: 37419447.
7. Lillås BS, Tøndel C, Melsom T, Eriksen BO, Marti HP, Vikse BE. Renal Functional Response-Association With Birth Weight and Kidney Volume. Kidney Int Rep. 2023 Feb 20;8(5):1034-1042. doi: 10.1016/j.ekir.2023.02.1079. PMID: 37180504; PMCID: PMC10166784.
8. Braun F, Abed A, Sellung D, Rogg M, Woidy M, Eikrem O, Wanner N, Gambardella J, Laufer SD, Haas F, Wong MN, Dumoulin B, Rischke P, Mühlig A, Sachs W, von Cossel K, Schulz K, Muschol N, Gersting SW, Muntau AC, Kretz O, Hahn O, Rinschen MM, Mauer M, Bork T, Grahammer F, Liang W, Eierhoff T, Römer W, Hansen A, Meyer-Schwesinger C, Iaccarino G, Tøndel C, Marti HP, Najafian B, Puelles VG, Schell C, Huber TB. Accumulation of α-synuclein mediates podocyte injury in Fabry nephropathy. J Clin Invest. 2023 Jun 1;133(11):e157782. doi: 10.1172/JCI157782. PMID: 37014703; PMCID: PMC10232004.
9. Gjerstad AC, Skrunes R, Tøndel C, Åsberg A, Leh S, Klingenberg C, Døllner H, Hammarstrøm C, Bjerre AK. Kidney biopsy diagnosis in childhood in the Norwegian Kidney Biopsy Registry and the long-term risk of kidney replacement therapy: a 25-year follow-up. Pediatr Nephrol. 2023 Apr;38(4):1249-1256. doi: 10.1007/s00467-022-05706-y. Epub 2022 Aug 22. PMID: 35994104; PMCID: PMC9925570.
10. Smeets NJL, Teunissen EMM, van der Velden K, van der Burgh MJP, Linders DE, Teesselink E, Moes DAR, Tøndel C, Ter Heine R, van Heijst A, Schreuder MF, de Wildt SN. Glomerular filtration rate in critically ill neonates and children: creatinine-based estimations versus iohexol-based measurements. Pediatr Nephrol. 2023 Apr;38(4):1087-1097. doi: 10.1007/s00467-022-05651-w. Epub 2022 Aug 2. PMID: 35916956; PMCID: PMC9925555.
11. Grodås KTM, Døllner H, Thaulow CM, Knudsen PK, Tønnessen A, Skeibrok M, Klingenberg C. Gentamicin serum concentration measurement in children. Tidsskr Nor Laegeforen. 2023 Jan 16;143(1). English, Norwegian. doi: 10.4045/tidsskr.22.0238. PMID: 36655955.
12. Elsaid HOA, Tjeldnes H, Rivedal M, Serre C, Eikrem Ø, Svarstad E, Tøndel C, Marti HP, Furriol J, Babickova J. Gene Expression Analysis in gla-Mutant Zebrafish Reveals Enhanced Ca²⁺ Signaling Similar to Fabry Disease. Int J Mol Sci. 2022 Dec 26;24(1):358. doi: 10.3390/ijms24010358. PMID: 36613802; PMCID: PMC9820748.
13. Tøndel C, Thurberg BL, DasMahapatra P, Lyn N, Maski M, Batista JL, George K, Patel H, Hariri A. Clinical relevance of globotriaosylceramide accumulation in Fabry disease and the effect of agalsidase beta in affected tissues. Mol Genet Metab. 2022 Dec;137(4):328-341. doi: 10.1016/j.ymgme.2022.10.005. Epub 2022 Oct 29. PMID: 36334424.
14. Najafian B, Silvestroni A, Sokolovskiy A, Tøndel C, Svarstad E, Obrisca B, Ismail G, Holida MD, Mauer M. A novel unbiased method reveals progressive podocyte globotriaosylceramide accumulation and loss with age in females with Fabry disease. Kidney Int. 2022 Jul;102(1):173-182. doi: 10.1016/j.kint.2022.03.023. Epub 2022 Apr 26. PMID: 35483528; PMCID: PMC9233139.
15. Elsaid HOA, Furriol J, Blomqvist M, Diswall M, Leh S, Gharbi N, Anonsen JH, Babickova J, Tøndel C, Svarstad E, Marti HP, Krause M. Reduced α-galactosidase A activity in zebrafish (Danio rerio) mirrors distinct features of Fabry nephropathy phenotype. Mol Genet Metab Rep. 2022 Feb 17;31:100851. doi: 10.1016/j.ymgmr.2022.100851. PMID: 35242583; PMCID: PMC8857658.
16. Eide TT, Hufthammer KO, Brun A, Brackman D, Svarstad E, Tøndel C. Accuracy of single intravenous access iohexol GFR in children is hampered by marker contamination. Sci Rep. 2021 Dec 1;11(1):23224. doi: 10.1038/s41598-021-02759-1. PMID: 34853376; PMCID: PMC8636567.
17. Lillås BS, Tøndel C, Aßmus J, Vikse BE. Low birthweight is associated with lower glomerular filtration rate in middle-aged mainly healthy women. Nephrol Dial Transplant. 2021 Dec 31;37(1):92-99. doi: 10.1093/ndt/gfaa306. PMID: 33313893; PMCID: PMC8719610.
18. Tøndel C, Marti HP. Cardiovascular changes in young renal failure patients. Clin Kidney J. 2021 Nov 11;15(2):183-185. doi: 10.1093/ckj/sfab223. PMID: 35145633; PMCID: PMC8825223.z
19. Thaulow CM, Lindemann PC, Klingenberg C. Antibiotic resistance in paediatric UTIs in Norway. Tidsskr Nor Laegeforen. 2021 Jun 8;141(10). English, Norwegian. doi: 10.4045/tidsskr.20.0889. PMID: 34182746.
20. Najafian B, Tøndel C, Svarstad E, Gubler MC, Oliveira JP, Mauer M. Accumulation of Globotriaosylceramide in Podocytes in Fabry Nephropathy Is Associated with Progressive Podocyte Loss. J Am Soc Nephrol. 2020 Apr;31(4):865-875. doi: 10.1681/ASN.2019050497. Epub 2020 Mar 3. PMID: 32127409; PMCID: PMC7191924.
21. Thorsteinsdottir H, Salvador CL, Mjøen G, Lie A, Sugulle M, Tøndel C, Brun A, Almaas R, Bjerre A. Growth Differentiation Factor 15 in Children with Chronic Kidney Disease and after Renal Transplantation. Dis Markers. 2020 Feb 6;2020:6162892. doi: 10.1155/2020/6162892. PMID: 32089755; PMCID: PMC7026715.
22. Lillås BS, Tøndel C, Gjerde A, Vikse BE. Measurement of renal functional response using iohexol clearance-a study of different outpatient procedures. Clin Kidney J. 2019 Nov 26;14(1):181-188. doi: 10.1093/ckj/sfz167. PMID: 33564417; PMCID: PMC7857819.
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Peer review publications:

1. Rotevatn EØ, Hjorth NE, Paz ES, Løkeland LS, Guribye F, Rygh LJ, Engan M. Coping experiences in child and adolescent rehabilitation through a novel device: A multi-method feasibility study. J Pediatr Rehabil Med. 2026 Mar 3:18758894261424016. doi: 10.1177/18758894261424016. Epub ahead of print. PMID: 41773657.
2. Werr L, Boland J, Petersen J, Iglesias F, Höppner S, Bartenhagen C, Rosswog C, Hellmann AM, Kahlert Y, Hemstedt N, Ibruli N, Dammert MA, Decarolis B, Werner JM, Malchers F, Schramm K, Witt O, Beiske KH, Rognlien AGW, Gunnes MW, Langenberg KP, Molenaar J, Bernkopf M, Taschner-Mandl S, Hughes D, George SL, Chesler L, Schulte JH, Barone G, Capasso M, Surrey LF, Bagatell R, Masliah-Planchon J, Schleiermacher G, Grüll H, Westermann F, Schultheis AM, Büttner R, Henssen AG, Eggert A, Peifer M, Shukla NN, Simon T, Hero B, Reinhardt HC, Thomas RK, Fischer M. Mutated FGFR1 is an oncogenic driver and therapeutic target in high-risk neuroblastoma. J Clin Invest. 2026 Feb 12:e189152. doi: 10.1172/JCI189152. Epub ahead of print. PMID: 41678281.
3. Rotevatn EØ, Engan M, Stensaker E, Hufthammer KO, Rygh LJ. Measuring pain intensity in categories through a novel electronic device during experimental cold-induced pain. Scand J Pain. 2025 Sep 2;25(1). doi: 10.1515/sjpain-2025-0018. PMID: 40892876.
4. Edvardsen E, Ruud E, Rueegg CS, Kvidaland HK, Torsvik IK, Bovim LPV, Grydeland M, VON DER Weid N, Anderssen SA, Kriemler S, Raastad T. Physical Fitness and Physical Activity in Adolescent Childhood Cancer Survivors and Controls: The PACCS Study. Med Sci Sports Exerc. 2025 Oct 1;57(10):2286-2293. doi: 10.1249/MSS.0000000000003758. Epub 2025 May 13. PMID: 40358359.
5. Bratteteig M, Rueegg CS, Lie HC, Thorsen L, Larsen EH, Larsen MH, Torsvik IK, Götte M, Järvelä LS, Kriemler S, Larsen HB, Anderssen SA, Ruud E, Grydeland M. Physical activity behaviors and screen time in young childhood cancer survivors: the Physical Activity in Childhood Cancer Survivors Study. J Cancer Surviv. 2024 Sep 17. doi: 10.1007/s11764-024-01671-7. Epub ahead of print. PMID: 39287916.
6. Yndestad S, Haugland HK, Goplen D, Wojcik D, Knappskog S, Lønning PE. Germline variants in patients diagnosed with pediatric soft tissue sarcoma. Acta Oncol. 2024 Jul 22;63:586-591. doi: 10.2340/1651-226X.2024.40730. PMID: 39037077; PMCID: PMC11332449.
7. Gunnes MW, Benneche A, Bechensteen AG. Et barn med langvarig anemi [A child with persistent anaemia]. Tidsskr Nor Laegeforen. 2024 Mar 15;144(4). Norwegian. doi: 10.4045/tidsskr.23.0415. PMID: 38506013.
8. Heymer EJ, Hawkins MM, Winter DL, Teepen JC, Sunguc C, Ronckers CM, Allodji RS, Alessi D, Sugden E, Belle FN, Bagnasco F, Byrne J, Bárdi E, Garwicz S, Grabow D, Jankovic M, Kaatsch P, Kaiser M, Michel G, Schindera C, Haddy N, Journy N, Česen Mazić M, Skinner R, Kok JL, Gunnes MW, Wiebe T, Sacerdote C, Maule MM, Terenziani M, Jakab Z, Winther JF, Lähteenmäki PM, Zadravec Zaletel L, Haupt R, Kuehni CE, Kremer LC, de Vathaire F, Hjorth L, Reulen RC. Risk of subsequent gliomas and meningiomas among 69,460 5-year survivors of childhood and adolescent cancer in Europe: the PanCareSurFup study. Br J Cancer. 2024 Apr;130(6):976-986. doi: 10.1038/s41416-024-02577-y. Epub 2024 Jan 19. PMID: 38243010; PMCID: PMC10951281.
9. Gunnes MW, Benneche A, Bechensteen AG. Et barn med langvarig anemi. Tidsskr Nor Laegeforen. 2024 Mar 15;144(4). Norwegian. doi: 10.4045/tidsskr.23.0415. PMID: 38506013.
10. Heymer EJ, Jóźwiak K, Kremer LC, Winter DL, de Vathaire F, Sunguc C, Sugden E, Kok JL, van der Pal HJH, Hjorth L, Jakab Z, Maule MM, Haupt R, Bagnasco F, Terenziani M, Diallo I, Gunnes MW, Sommer G, Zadravec Zaletel L, Kuehni CE, Winther JF, Lähteenmäki PM, Gudmundsdottir T, Allodji RS, Skinner R, Ronckers CM, Hawkins MM, Reulen RC, Teepen JC. Cumulative Absolute Risk of Subsequent Colorectal Cancer After Abdominopelvic Radiotherapy Among Childhood Cancer Survivors: A PanCareSurFup Study. J Clin Oncol. 2024 Jan 20;42(3):336-347. doi: 10.1200/JCO.23.00452. Epub 2023 Nov 16. PMID: 37972325.
11. Peyrl A, Chocholous M, Sabel M, Lassaletta A, Sterba J, Leblond P, Nysom K, Torsvik I, Chi SN, Perwein T, Jones N, Holm S, Nyman P, Mörse H, Öberg A, Weiler-Wichtl L, Leiss U, Haberler C, Schmook MT, Mayr L, Dieckmann K, Kool M, Gojo J, Azizi AA, André N, Kieran M, Slavc I. Sustained Survival Benefit in Recurrent Medulloblastoma by a Metronomic Antiangiogenic Regimen: A Nonrandomized Controlled Trial. JAMA Oncol. 2023 Oct 26:e234437. doi: 10.1001/jamaoncol.2023.4437. Epub ahead of print. PMID: 37883081; PMCID: PMC10603581.
12. Bratteteig M, Rueegg CS, Raastad T, Grydeland M, Torsvik IK, Schindera C, Ruud E, Anderssen SA. Physical Activity, Fitness, and Cardiovascular Disease Risk in Adolescent Childhood Cancer Survivors Compared to Controls: The Physical Activity in Childhood Cancer Survivors Study. J Adolesc Young Adult Oncol. 2023 Sep 13. doi: 10.1089/jayao.2023.0063. Epub ahead of print. PMID: 37703544.
13. Grydeland M, Bratteteig M, Rueegg CS, Lie HC, Thorsen L, Larsen EH, Brügmann-Pieper S, Torsvik IK, Götte M, Lähteenmäki PM, Kriemler S, Fridh MK, Anderssen SA, Ruud E. Physical Activity Among Adolescent Cancer Survivors: The PACCS Study. Pediatrics. 2023 Sep 1;152(3):e2023061778. doi: 10.1542/peds.2023-061778. PMID: 37646086.
14. Andries A, Ørstavik K, Rueegg CS, Eng S, Edvardsen E, Allen SM, Torsvik IK, Raastad T, Ruud E, Nilsen KB. Polyneuropathy in Adolescent Childhood Cancer Survivors: The PACCS Study. Pediatr Neurol. 2023 Mar;140:9-17. doi: 10.1016/j.pediatrneurol.2022.11.012. Epub 2022 Nov 25. PMID: 36586183.
15. Dudley IM, Sunguc C, Heymer EJ, Winter DL, Teepen JC, Belle FN, Bárdi E, Bagnasco F, Gudmundsdottir T, Skinner R, Michel G, Byrne J, Øfstaas H, Jankovic M, Mazić MČ, Mader L, Loonen J, Garwicz S, Wiebe T, Alessi D, Allodji RS, Haddy N, Grabow D, Kaatsch P, Kaiser M, Maule MM, Jakab Z, Gunnes MW, Terenziani M, Zaletel LZ, Kuehni CE, Haupt R, de Vathaire F, Kremer LC, Lähteenmäki PM, Winther JF, Hjorth L, Hawkins MM, Reulen RC. Risk of subsequent primary lymphoma in a cohort of 69,460 five-year survivors of childhood and adolescent cancer in Europe: The PanCareSurFup study. Cancer. 2023 Feb 1;129(3):426-440. doi: 10.1002/cncr.34561. Epub 2022 Nov 29. PMID: 36444554; PMCID: PMC10099796.
16. Sunguc C, Hawkins MM, Winter DL, Dudley IM, Heymer EJ, Teepen JC, Allodji RS, Belle FN, Bagnasco F, Byrne J, Bárdi E, Ronckers CM, Haddy N, Gudmundsdottir T, Garwicz S, Jankovic M, van der Pal HJH, Mazić MČ, Schindera C, Grabow D, Maule MM, Kaatsch P, Kaiser M, Fresneau B, Michel G, Skinner R, Wiebe T, Sacerdote C, Jakab Z, Gunnes MW, Terenziani M, Winther JF, Lähteenmäki PM, Zaletel LZ, Kuehni CE, Kremer LC, Haupt R, de Vathaire F, Hjorth L, Reulen RC. Risk of subsequent primary oral cancer in a cohort of 69,460 5-year survivors of childhood and adolescent cancer in Europe: the PanCareSurFup study. Br J Cancer. 2023 Jan;128(1):80-90. doi: 10.1038/s41416-022-02016-w. Epub 2022 Nov 1. PMID: 36319851; PMCID: PMC9814398.
17. Bratteteig M, Anderssen SA, Rueegg CS, Ruud E, Torsvik IK, Kriemler S, Grydeland M. Device-measured physical activity and cardiovascular disease risk in adolescent childhood cancer survivors. A physical activity in childhood cancer survivors (PACCS) study. Front Pediatr. 2022 Aug 25;10:977365. doi: 10.3389/fped.2022.977365. PMID: 36090557; PMCID: PMC9453306.
18. Hermansen JU, Wojcik DM, Robinson N, Pahnke J, Haugland HK, Jamtøy AH, Flaegstad T, Halvorsen H, Lund B, Baumbusch LO, Munthe-Kaas MC. The Norwegian childhood cancer biobank. Cancer Rep (Hoboken). 2022 Aug;5(8):e1555. doi: 10.1002/cnr2.1555. Epub 2021 Sep 20. PMID: 34541832; PMCID: PMC9351664.
19. Grønbæk JK, Laustsen AF, Toescu S, Pizer B, Mallucci C, Aquilina K, Molinari E, Hjort MA, Gumbeleviciene L, Hauser P, Pálmafy B, van Baarsen K, Hoving E, Zipfel J, Ehrstedt C, Grillner P, Callesen MT, Frič R, Wibroe M, Nysom K, Schmiegelow K, Sehested A, Mathiasen R, Juhler M; CMS study group. Left-handedness should not be overrated as a risk factor for postoperative speech impairment in children after posterior fossa tumour surgery: a prospective European multicentre study. Childs Nerv Syst. 2022 Aug;38(8):1479-1485. doi: 10.1007/s00381-022-05567-8. Epub 2022 Jun 27. PMID: 35759029.
20. Lie HC, Anderssen S, Rueegg CS, Raastad T, Grydeland M, Thorsen L, Stensrud T, Edvardsen E, Larsen MH, Torsvik IK, Bovim LP, Götte M, Lähteenmäki PM, Kriemler S, Larsen HB, Fridh MK, Ørstavik K, Brun H, Matthews I, Hornset E, Ruud E. The Physical Activity and Fitness in Childhood Cancer Survivors (PACCS) Study: Protocol for an International Mixed Methods Study. JMIR Res Protoc. 2022 Mar 8;11(3):e35838. doi: 10.2196/35838. PMID: 35258456; PMCID: PMC8941432.
21. Grønbæk JK, Wibroe M, Toescu S, Frič R, Thomsen BL, Møller LN, Grillner P, Gustavsson B, Mallucci C, Aquilina K, Fellows GA, Molinari E, Hjort MA, Westerholm-Ormio M, Kiudeliene R, Mudra K, Hauser P, van Baarsen K, Hoving E, Zipfel J, Nysom K, Schmiegelow K, Sehested A, Juhler M, Mathiasen R; CMS study group. Postoperative speech impairment and surgical approach to posterior fossa tumours in children: a prospective European multicentre cohort study. Lancet Child Adolesc Health. 2021 Nov;5(11):814-824. doi: 10.1016/S2352-4642(21)00274-1. Epub 2021 Oct 6. PMID: 34624241.
22. Thastrup M, Marquart HV, Levinsen M, Modvig S, Abrahamsson J, Albertsen BK, Frost BM, Harila-Saari A, Pesola J, Ulvmoen A, Wojcik DM, Taskinen M, Hoffmann M, Lausen B, Schmiegelow K; Nordic Society of Paediatric Haematology, Oncology (NOPHO). Flow cytometric analysis of cerebrospinal fluid improves detection of leukaemic blasts in infants with acute lymphoblastic leukaemia. Br J Haematol. 2021 Oct;195(1):119-122. doi: 10.1111/bjh.17769. Epub 2021 Aug 15. PMID: 34396501.
23. Brenner AK, Gunnes MW. Therapeutic Targeting of the Anaplastic Lymphoma Kinase (ALK) in Neuroblastoma-A Comprehensive Update. Pharmaceutics. 2021 Sep 8;13(9):1427. doi: 10.3390/pharmaceutics13091427. PMID: 34575503; PMCID: PMC8470592.
24. Stensvold E, Myklebust TÅ, Cappelen J, Due-Tønnessen BJ, Due-Tønnessen P, Kepka A, Johannesen TB, Krossnes B, Lundar T, Maric S, Miletic H, Moholdt V, Myrmel KS, Nordberg T, Rydland J, Stokland T, Solem K, Solheim O, Torsvik I, Wikran GC, Zeller B, Wesenberg F, Bechensteen AG, Brandal P. Children treated for medulloblastoma and supratentorial primitive neuroectodermal tumor in Norway from 1974 through 2013: Unexplainable regional differences in survival. Pediatr Blood Cancer. 2019 Oct;66(10):e27910. doi: 10.1002/pbc.27910. Epub 2019 Jul 1. PMID: 31264356.
25. El-Khouly FE, Veldhuijzen van Zanten SEM, Santa-Maria Lopez V, Hendrikse NH, Kaspers GJL, Loizos G, Sumerauer D, Nysom K, Pruunsild K, Pentikainen V, Thorarinsdottir HK, Rutkauskiene G, Calvagna V, Drogosiewicz M, Dragomir M, Deak L, Kitanovski L, von Bueren AO, Kebudi R, Slavc I, Jacobs S, Jadrijevic-Cvrlje F, Entz-Werle N, Grill J, Kattamis A, Hauser P, Pears J, Biassoni V, Massimino M, Lopez Aguilar E, Torsvik IK, Joao Gil-da-Costa M, Kumirova E, Cruz-Martinez O, Holm S, Bailey S, Hayden T, Thomale UW, Janssens GOR, Kramm CM, van Vuurden DG. Diagnostics and treatment of diffuse intrinsic pontine glioma: where do we stand? J Neurooncol. 2019 Oct;145(1):177-184. doi: 10.1007/s11060-019-03287-9. Epub 2019 Sep 14. PMID: 31522324; PMCID: PMC6775536.
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Peer review publications:

1. Kristiansen H, Michelsen TM. Uassistert hjemmefødsel – trygghet på egne premisser eller undervurdert risiko? Tidsskr Nor Laegeforen. 2025 Dec 1;145(15). Norwegian. doi: 10.4045/tidsskr.25.0646. PMID: 41410969.
2. Sandberg M, Øyen N, Fomina T, Macsali F, Greve G, Leirgul E. Congenital heart disease in men of reproductive age: Nationwide cohort studies of prevalence, male fertility, and birth outcomes in offspring. Int J Cardiol Congenit Heart Dis. 2025 Nov 6;22:100637. doi: 10.1016/j.ijcchd.2025.100637. PMID: 41322050; PMCID: PMC12664383.
3. De Backer J, Haugaa KH, Hasselberg NE, de Hosson M, Brida M, Castelletti S, Cauldwell M, Cerbai E, Crotti L, de Groot NMS, Estensen ME, Goossens ES, Haring B, Kurpas D, McEniery CM, Peters SAE, Rakisheva A, Sambola A, Schlager O, Schoenhoff FS, Simoncini T, Steinbach F, Sudano I, Swan L, Valente AM; ESC Scientific Document Group. 2025 ESC Guidelines for the management of cardiovascular disease and pregnancy. Eur Heart J. 2025 Nov 14;46(43):4462-4568. doi: 10.1093/eurheartj/ehaf193. Erratum in: Eur Heart J. 2026 Feb 18;47(7):812. doi: 10.1093/eurheartj/ehaf1011. PMID: 40878294.
4. Omdal TR, Khan U, Engan B, Oppedal LS, Kessler J, Ebbing C, Matre K, Leirgul E, Greve G. Left ventricular myocardial strain in neonates is influenced by the definition of the basal region of interest. Echo Res Pract. 2025 Sep 29;12(1):28. doi: 10.1186/s44156-025-00093-0. PMID: 41016927; PMCID: PMC12477783.
5. Rettedal S, Kibsgaard A, Buskov F, Eilevstjønn J, Kolstad V, Kvaløy JT, Bjorland PA, Pike H, Haynes J, Tysland TB, Davis PG, Ersdal H. Impact of Heart Rate Monitoring Using Dry-Electrode ECG Immediately After Birth on Time to Start Ventilation: A Randomized Trial. Children (Basel). 2025 Aug 18;12(8):1082. doi: 10.3390/children12081082. PMID: 40868533; PMCID: PMC12385053.
6. Leirgul E, Fomina T, Greve G, Tell GS, Sandberg M, Øyen N. Trends in Birth Prevalence of Congenital Heart Defects in Norway-A Population Study 1994-2014. Acta Paediatr. 2025 Dec;114(12):3199-3208. doi: 10.1111/apa.70235. Epub 2025 Jul 21. PMID: 40690353.
7. Khan U, Omdal TR, Ebbing C, Kessler J, Leirgul E, Greve G. The Effect of Smoothing and Drift Compensation on Fetal Strain. Ultrasound Med Biol. 2025 Jul;51(7):1148-1152. doi: 10.1016/j.ultrasmedbio.2025.03.014. Epub 2025 Apr 19. PMID: 40254520.
8. Klungerbo V, Hirth A, Fredriksen PM, Holst R, Edvardsen E, Holmstrøm H, Möller T. Reference models for individualized assessment of cardiorespiratory fitness in children and adolescents with congenital heart disease: a retrospective multicentre study. Eur J Pediatr. 2025 Jun 26;184(7):450. doi: 10.1007/s00431-025-06270-x. PMID: 40569467; PMCID: PMC12202686.
9. Sandberg M, Fomina T, Macsali F, Greve G, Øyen N, Leirgul E. Labor onset and delivery mode in women with congenital heart disease-A nationwide cohort study. Acta Obstet Gynecol Scand. 2025 Apr;104(4):666-675. doi: 10.1111/aogs.15064. Epub 2025 Jan 29. PMID: 39878100; PMCID: PMC11919723.
10. Bekkevold M, Solvik-Olsen T, Heyerdahl F, Lang AM, Hagemo J, Rehn M; NeoTemplate Collaborating Group. Reporting interhospital neonatal intensive care transport: international five-step Delphi-based template. BMJ Paediatr Open. 2024 Apr 2;8(1):e002374. doi: 10.1136/bmjpo-2023-002374. PMID: 38569741; PMCID: PMC10989109.
11. Sandberg M, Fomina T, Macsali F, Greve G, Estensen ME, Øyen N, Leirgul E. Time trends and birth rates in women with congenital heart disease; a nationwide cohort study from Norway 1994-2014. Int J Cardiol Congenit Heart Dis. 2024 Mar 30;16:100507. doi: 10.1016/j.ijcchd.2024.100507. PMID: 39712532; PMCID: PMC11657671.
12. Mørch J, Kolnes EH, Greve G, Omdal TR, Ebbing C, Kessler J, Khan U. Increasing region of interest width reduces neonatal circumferential strain. Echocardiography. 2024 Jul;41(7):e15873. doi: 10.1111/echo.15873. PMID: 38985125.
13. Sandberg M, Fomina T, Macsali F, Greve G, Øyen N, Leirgul E. Preeclampsia and neonatal outcomes in pregnancies with maternal congenital heart disease: A nationwide cohort study from Norway. Acta Obstet Gynecol Scand. 2024 Sep;103(9):1847-1858. doi: 10.1111/aogs.14902. Epub 2024 Jul 1. PMID: 38946266; PMCID: PMC11324925.
14. Tveiten L, Diep LM, Halvorsen T, Markestad T. Normal range and risk factors for deviating body temperatures during the first 24 hours in term-born infants under standardised care: an observational study. BMJ Paediatr Open. 2024 May 31;8(1):e002596. doi: 10.1136/bmjpo-2024-002596. PMID: 38823799; PMCID: PMC11149163.
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16. Tveiten L, Diep LM, Halvorsen T, Markestad T. Normal range and risk factors for deviating body temperatures during the first 24 hours in term-born infants under standardised care: an observational study. BMJ Paediatr Open. 2024 May 31;8(1):e002596. doi: 10.1136/bmjpo-2024-002596. PMID: 38823799; PMCID: PMC11149163
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20. Forster RB, Kjellstadli C, Myklebust TÅ, Egeland G, Sulo G, Bjørge T, Bønaa KH, Juliusson PB, Kvåle R. Treatment and 30-Day Mortality after Myocardial Infarction in Prostate Cancer Patients: A Population-Based Study from Norway. Cardiology. 2023;148(1):83-92. doi: 10.1159/000527636. Epub 2022 Oct 19. PMID: 36260991.
21. Markussen DL, Brevik HS, Bjørneklett RO, Engan M. Validation of a modified South African triage scale in a high-resource setting: a retrospective cohort study. Scand J Trauma Resusc Emerg Med. 2023 Mar 20;31(1):13. doi: 10.1186/s13049-023-01076-y. PMID: 36941710; PMCID: PMC10026449.
22. Eriksson P, Pihkala J, Jensen AS, Dohlen G, Liuba P, Wahlander H, Sjoberg G, Hlebowicz J, Furenas E, Leirgul E, Settergren M, Vithessonthi K, Nielsen NE, Christersson C, Sondergaard L, Sinisalo J, Nielsen-Kudsk JE, Dellborg M, Larsen SH. Transcatheter Intervention for Coarctation of the Aorta: A Nordic Population-Based Registry With Long-Term Follow-Up. JACC Cardiovasc Interv. 2023 Feb 27;16(4):444-453. doi: 10.1016/j.jcin.2022.11.007. PMID: 36858664.
23. Dahle-Andersen AC, Amini N, Engan M, Brodwall K. Introduction of a high dependency unit at a large paediatric and adolescent medicine department. Tidsskr Nor Laegeforen. 2022 Dec 12;142(18). English, Norwegian. doi: 10.4045/tidsskr.22.0001. PMID: 36511750.
24. Sinha MD, Azukaitis K, Sladowska-Kozłowska J, Bårdsen T, Merkevicius K, Karlsen Sletten IS, Obrycki Ł, Pac M, Fernández-Aranda F, Bjelakovic B, Jankauskiene A, Litwin M; HyperChildNet Working Group. Prevalence of left ventricular hypertrophy in children and young people with primary hypertension: Meta-analysis and meta-regression. Front Cardiovasc Med. 2022 Oct 31;9:993513. doi: 10.3389/fcvm.2022.993513. PMID: 36386367; PMCID: PMC9659762.
25. Markestad T. Decisions at the limit of viability. Acta Paediatr. 2022 Aug;111(8):1472-1473. doi: 10.1111/apa.16378. Epub 2022 May 8. PMID: 35527403.
26. Jensen AS, Jørgensen TH, Christersson C, Nagy E, Sinisalo J, Furenäs E, Gjesdal O, Eriksson P, Vejlstrup N, Johansson B, Hlebowicz J, Greve G, Dellborg M, Skulstad H, Kvidal P, Jokinen E, Sairanen H, Thilén U, Søndergaard L. Cause-Specific Mortality in Patients During Long-Term Follow-Up After Atrial Switch for Transposition of the Great Arteries. J Am Heart Assoc. 2022 Jul 19;11(14):e023921. doi: 10.1161/JAHA.121.023921. Epub 2022 Jul 5. PMID: 35861834; PMCID: PMC9707826.
27. Reigstad H, Hufthammer KO, Rønnestad AE, Klingenberg C, Stensvold HJ, Markestad T; Norwegian Neonatal Network. Early surfactant and non-invasive ventilation versus intubation and surfactant: a propensity score-matched national study. BMJ Paediatr Open. 2022 Jul;6(1):e001527. doi: 10.1136/bmjpo-2022-001527. PMID: 36053649; PMCID: PMC9335034.
28. Engen T, Owe KM, Horn J, Sulo G, Næss ØE, Juliusson PB, Morken NH, Egeland GM. Preconception leisure-time physical activity and family history of stroke and myocardial infarction associate with preterm delivery: findings from a Norwegian cohort. BMC Pregnancy Childbirth. 2022 Apr 20;22(1):341. doi: 10.1186/s12884-022-04528-y. PMID: 35443622; PMCID: PMC9019953.
29. Leirgul E, Hysing M, Greve G, Sivertsen B. Physical and mental health in young adults with heart disease - a national survey of Norwegian university students. Cardiol Young. 2022 Feb;32(2):257-265. doi: 10.1017/S1047951121001815. Epub 2021 Jun 8. PMID: 34100351.
30. Bjorland PA, Ersdal HL, Haynes J, Ushakova A, Øymar K, Rettedal SI. Tidal volumes and pressures delivered by the NeoPuff T-piece resuscitator during resuscitation of term newborns. Resuscitation. 2022 Jan;170:222-229. doi: 10.1016/j.resuscitation.2021.12.006. Epub 2021 Dec 13. PMID: 34915085.
31. Omdal TR, Khan U, Ebbing C, Kessler J, Karlsen HO, Leirgul E, Matre K, Greve G. The influence of region of interest width in fetal 2D-speckle tracking echocardiography late in pregnancy. Int J Cardiovasc Imaging. 2021 Nov 3. doi: 10.1007/s10554-021-02455-1. Epub ahead of print. PMID: 34734368.
32. Engan B, Engan M, Greve G, Vollsæter M, Hufthammer KO, Leirgul E. Vascular Endothelial Function Assessed by Flow-Mediated Vasodilatation in Young Adults Born Very Preterm or With Extremely Low Birthweight: A Regional Cohort Study. Front Pediatr. 2021 Sep 24;9:734082. doi: 10.3389/fped.2021.734082. PMID: 34631630; PMCID: PMC8500064.
33. Khan U, Omdal TR, Matre K, Greve G. Speckle tracking derived strain in neonates: planes, layers and drift. Int J Cardiovasc Imaging. 2021 Jul;37(7):2111-2123. doi: 10.1007/s10554-021-02200-8. Epub 2021 Mar 12. PMID: 33710496; PMCID: PMC8286954.
34. Khan U, Omdal TR, Greve G, Grong K, Matre K. Effect of Temporal and Spatial Smoothing on Speckle-Tracking-Derived Strain in Neonates. Pediatr Cardiol. 2021 Apr;42(4):743-752. doi: 10.1007/s00246-020-02536-3. Epub 2021 Jan 25. PMID: 33492429; PMCID: PMC8110490.
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36. Strøm MS, Raknes G, Otterstedt Å, Pedersen AG, Júlíusson PB. Elektronisk dødsmelding – raskere, enklere, sikrere [Electronic death reporting – faster, simpler, safer]. Tidsskr Nor Laegeforen. 2021 Feb 1;141(2). Norwegian. doi: 10.4045/tidsskr.20.0996. PMID: 33528145.
37. Tveiten L, Diep LM, Halvorsen T, Markestad T. Heart rate during the first 24 hours in term-born infants. Arch Dis Child Fetal Neonatal Ed. 2021 Sep;106(5):489-493. doi: 10.1136/archdischild-2020-320761. Epub 2021 Jan 15. PMID: 33452220.
38. Bjorland PA, Ersdal HL, Øymar K, Rettedal SI. Compliance with Guidelines and Efficacy of Heart Rate Monitoring during Newborn Resuscitation: A Prospective Video Study. Neonatology. 2020;117(2):175-181. doi: 10.1159/000506772. Epub 2020 Apr 3. PMID: 32248187; PMCID: PMC9533428.
39. Aarthun A, Øymar KA, Akerjordet K. Health professionals' involvement of parents in decision-making in interprofessional practice at the hospital. J Interprof Care. 2020 May-Jun;34(3):297-306. doi: 10.1080/13561820.2019.1632816. Epub 2019 Aug 5. PMID: 31381463.
40. Øyen N, Olsen SF, Basit S, Leirgul E, Strøm M, Carstensen L, Granström C, Tell GS, Magnus P, Vollset SE, Wohlfahrt J, Melbye M. Association Between Maternal Folic Acid Supplementation and Congenital Heart Defects in Offspring in Birth Cohorts From Denmark and Norway. J Am Heart Assoc. 2019 Mar 19;8(6):e011615. doi: 10.1161/JAHA.118.011615. PMID: 30857459; PMCID: PMC6475034.
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64. Leirgul E, Brodwall K, Greve G, Vollset SE, Holmstrøm H, Tell GS, Øyen N. Maternal Diabetes, Birth Weight, and Neonatal Risk of Congenital Heart Defects in Norway, 1994-2009. Obstet Gynecol. 2016 Nov;128(5):1116-1125. doi: 10.1097/AOG.0000000000001694. PMID: 27741197.
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66. Burns ML, Stensvold HJ, Risnes K, Guthe HJ, Astrup H, Nordhov SM, Selberg TR, Rønnestad A, Lang AM; Norwegian Neonatal Network. Inotropic Therapy in Newborns, A Population-Based National Registry Study. Pediatr Crit Care Med. 2016 Oct;17(10):948-956. doi: 10.1097/PCC.0000000000000898. PMID: 27500723.
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69. Mikalsen IB, Davis P, Øymar K. High flow nasal cannula in children: a literature review. Scand J Trauma Resusc Emerg Med. 2016 Jul 12;24:93. doi: 10.1186/s13049-016-0278-4. PMID: 27405336; PMCID: PMC4942966.
70. Khan U, Hjertaas JJ, Greve G, Matre K. Optimal Acquisition Settings for Speckle Tracking Echocardiography-Derived Strains in Infants: An In Vitro Study. Ultrasound Med Biol. 2016 Jul;42(7):1660-70. doi: 10.1016/j.ultrasmedbio.2016.02.015. Epub 2016 Apr 13. PMID: 27085385.
71. Linde JE, Schulz J, Perlman JM, Øymar K, Francis F, Eilevstjønn J, Ersdal HL. Normal Newborn Heart Rate in the First Five Minutes of Life Assessed by Dry-Electrode Electrocardiography. Neonatology. 2016;110(3):231-7. doi: 10.1159/000445930. Epub 2016 Jun 2. PMID: 27250761.
72. Jortveit J, Øyen N, Leirgul E, Fomina T, Tell GS, Vollset SE, Eskedal L, Døhlen G, Birkeland S, Holmstrøm H. Trends in Mortality of Congenital Heart Defects. Congenit Heart Dis. 2016 Mar-Apr;11(2):160-8. doi: 10.1111/chd.12307. Epub 2015 Nov 11. PMID: 26559783.
73. Tveiten L, Diep LM, Halvorsen T, Markestad T. Respiratory Rate During the First 24 Hours of Life in Healthy Term Infants. Pediatrics. 2016 Apr;137(4):e20152326. doi: 10.1542/peds.2015-2326. Epub 2016 Mar 30. PMID: 27030423.
74. Brodwall K, Greve G, Øyen N. Preeclampsia and Congenital Heart Defects. JAMA. 2016 Mar 15;315(11):1167-8. doi: 10.1001/jama.2015.19075. PMID: 26978216.
75. Brodwall K, Leirgul E, Greve G, Vollset SE, Holmstrøm H, Tell GS, Øyen N. Possible Common Aetiology behind Maternal Preeclampsia and Congenital Heart Defects in the Child: a Cardiovascular Diseases in Norway Project Study. Paediatr Perinat Epidemiol. 2016 Jan;30(1):76-85. doi: 10.1111/ppe.12252. Epub 2015 Oct 19. PMID: 26479038.
76. Leirgul E, Gildestad T, Nilsen RM, Fomina T, Brodwall K, Greve G, Vollset SE, Holmstrøm H, Tell GS, Øyen N. Periconceptional Folic Acid Supplementation and Infant Risk of Congenital Heart Defects in Norway 1999-2009. Paediatr Perinat Epidemiol. 2015 Sep;29(5):391-400. doi: 10.1111/ppe.12212. Epub 2015 Jul 24. PMID: 26212116.
77. Bårdsen T, Sørbye MH, Trønnes H, Greve G, Berg A. Parental anxiety related to referral of childhood heart murmur; an observational/interventional study. BMC Pediatr. 2015 Nov 21;15:193. doi: 10.1186/s12887-015-0507-4. PMID: 26590070; PMCID: PMC4654835.
78. Guthe HJ, Indrebø M, Nedrebø T, Norgård G, Wiig H, Berg A. Interstitial fluid colloid osmotic pressure in healthy children. PLoS One. 2015 Apr 8;10(4):e0122779. doi: 10.1371/journal.pone.0122779. PMID: 25853713; PMCID: PMC4390290.
79. Midtbø H, Gerdts E, Kvien TK, Olsen IC, Hirth A, Davidsen ES, Semb AG. Disease activity and left ventricular structure in patients with rheumatoid arthritis. Rheumatology (Oxford). 2015 Mar;54(3):511-9. doi: 10.1093/rheumatology/keu368. Epub 2014 Sep 14. PMID: 25224414.
80. Engan C, Engan M, Bonilla V, Dyer DC, Randall BR. Description of robotically assisted single-site transabdominal preperitoneal (RASS-TAPP) inguinal hernia repair and presentation of clinical outcomes. Hernia. 2015 Jun;19(3):423-8. doi: 10.1007/s10029-014-1311-z. Epub 2014 Sep 24. PMID: 25249251.
81. Leirgul E, Fomina T, Brodwall K, Greve G, Holmstrøm H, Vollset SE, Tell GS, Øyen N. Birth prevalence of congenital heart defects in Norway 1994-2009--a nationwide study. Am Heart J. 2014 Dec;168(6):956-64. doi: 10.1016/j.ahj.2014.07.030. Epub 2014 Aug 10. PMID: 25458661.
82. Berg A, Bråtane E, Odland HH, Brudvik C, Rosland B, Hirth A. Kardiovaskulær risikovurdering ved bruk av AD/HD-medikamenter hos barn [Cardiovascular risk assessment for the use of ADHD drugs in children]. Tidsskr Nor Laegeforen. 2014 Apr 8;134(7):710-4. Norwegian. doi: 10.4045/tidsskr.13.0565. PMID: 24721858.
83. Sandvik MK, Leirgul E, Nygård O, Ueland PM, Berg A, Svarstad E, Vikse BE. Preeclampsia in healthy women and endothelial dysfunction 10 years later. Am J Obstet Gynecol. 2013 Dec;209(6):569.e1-569.e10. doi: 10.1016/j.ajog.2013.07.024. Epub 2013 Jul 27. PMID: 23899451.
84. Berg A, Greve G. Trends in pediatric imaging: ultrasound. Acta Radiol. 2013 Nov;54(9):1096-105. doi: 10.1177/0284185113501808. Epub 2013 Aug 27. PMID: 23982321.
85. Cuypers J, Leirgul E, Larsen TH, Berg A, Omdal TR, Greve G. Assessment of vascular reactivity in the peripheral and coronary arteries by Cine 3T-magnetic resonance imaging in young normotensive adults after surgery for coarctation of the aorta. Pediatr Cardiol. 2013 Mar;34(3):661-9. doi: 10.1007/s00246-012-0522-2. Epub 2012 Oct 13. PMID: 23064837.
86. Sivertsen TB, Astrøm AN, Greve G, Aßmus J, Skeie MS. Endocarditis prophylaxis and congenital heart defects in the Norwegian Public Dental Service. Acta Paediatr. 2013 Jan;102(1):29-34. doi: 10.1111/apa.12035. Epub 2012 Nov 1. PMID: 23035713.
87. Trønnes H, Berg A. Hjertestans hos en ti måneder gammel gutt med ryggmargsskade [Cardiac arrest in a 10-month-old boy with spinal cord injury]. Tidsskr Nor Laegeforen. 2012 May 15;132(9):1099-102. Norwegian. doi: 10.4045/tidsskr.11.0476. PMID: 22614309.
88. Hirth A, Edwards NC, Greve G, Tangeraas T, Gerdts E, Lenes K, Norgård G. Left ventricular function in children and adults after renal transplantation in childhood. Pediatr Nephrol. 2012 Sep;27(9):1565-74. doi: 10.1007/s00467-012-2167-z. Epub 2012 Apr 17. PMID: 22527532.
89. Klausen SH, Mikkelsen UR, Hirth A, Wetterslev J, Kjærgaard H, Søndergaard L, Andersen LL. Design and rationale for the PREVAIL study: effect of e-Health individually tailored encouragements to physical exercise on aerobic fitness among adolescents with congenital heart disease--a randomized clinical trial. Am Heart J. 2012 Apr;163(4):549-56. doi: 10.1016/j.ahj.2012.01.021. PMID: 22520519.
90. Guthe HJ, Nedrebø T, Tenstad O, Wiig H, Berg A. Effect of topical anaesthetics on interstitial colloid osmotic pressure in human subcutaneous tissue sampled by wick technique. PLoS One. 2012;7(2):e31332. doi: 10.1371/journal.pone.0031332. Epub 2012 Feb 14. PMID: 22348071; PMCID: PMC3279369.
91. Instebø A, Helgheim V, Greve G. Repeatability of blood pressure measurements during treadmill exercise. Blood Press Monit. 2012 Apr;17(2):69-72. doi: 10.1097/MBP.0b013e328351de5c. PMID: 22391520.
92. Tangeraas T, Midtvedt K, Cvancarova M, Hirth A, Fredriksen PM, Tonstad S, Isaksen GA, Bjerre A. Cardiorespiratory fitness in young adults with a history of renal transplantation in childhood. Pediatr Nephrol. 2011 Nov;26(11):2041-9. doi: 10.1007/s00467-011-1898-6. Epub 2011 May 4. PMID: 21541798.
93. Cuypers J, Leirgul E, Samnøy S, Larsen TH, Berg A, Schulze-Neick I, Greve G. Assessment of coronary flow reserve in the coronary sinus by cine 3T-magnetic resonance imaging in young adults after surgery for tetralogy of Fallot. Pediatr Cardiol. 2012 Jan;33(1):65-74. doi: 10.1007/s00246-011-0091-9. Epub 2011 Sep 7. PMID: 21901644.
94. Trewick AL, Moustafa JS, de Smith AJ, Froguel P, Greve G, Njølstad PR, Coin LJ, Blakemore AI. Accurate single-nucleotide polymorphism allele assignment in trisomic or duplicated regions by using a single base-extension assay with MALDI-TOF mass spectrometry. Clin Chem. 2011 Aug;57(8):1188-95. doi: 10.1373/clinchem.2010.159558. Epub 2011 Jun 15. PMID: 21677093.
95. Berg A, Furu K, Einen M, Spigset O. Bør barn behandles med efedrin mikstur? [Should children be treated with ephedrine mixture?]. Tidsskr Nor Laegeforen. 2010 Dec 16;130(24):2474-5. Norwegian. doi: 10.4045/tidsskr.10.0503. PMID: 21164588.
96. Hirth A, Disney P, Thorne S. Brain abscess associated with an unusual cause of right to left shunt. BMJ Case Rep. 2009;2009:bcr2006093773. doi: 10.1136/bcr.2006.093773. Epub 2009 Feb 16. PMID: 21687124; PMCID: PMC3105966.
97. Moster D. Hjemmefødsler--trygt nok for mor og barn? [Home childbirth--safe enough for the mother and the child?]. Tidsskr Nor Laegeforen. 2008 Nov 6;128(21):2430. Norwegian. PMID: 19096463.
98. Aburawi EH, Berg A, Pesonen E. Coronary flow before and after surgical versus device closure of atrial septal defect. Int J Cardiol. 2009 Jun 12;135(1):14-20. doi: 10.1016/j.ijcard.2008.03.046. Epub 2008 Jul 1. PMID: 18597874.
99. Noponen T, Nordh A, Berg A, Ley D, Hansson SR, Pesonen E, Fellman V. Circulatory effects of inhaled iloprost in the newborn preterm lamb. Pediatr Res. 2009 Oct;66(4):416-22. doi: 10.1203/PDR.0b013e3181b3b2a4. PMID: 19581832.
100. Aburawi EH, Berg A, Pesonen E. Effects of balloon valvuloplasty on coronary blood flow in neonates with critical pulmonary valve stenosis assessed with transthoracic Doppler echocardiography. J Am Soc Echocardiogr. 2009 Feb;22(2):165-9. doi: 10.1016/j.echo.2008.10.021. Epub 2008 Dec 19. PMID: 19101111.
101. Berge KE, Haugaa KH, Früh A, Anfinsen OG, Gjesdal K, Siem G, Oyen N, Greve G, Carlsson A, Rognum TO, Hallerud M, Kongsgård E, Amlie JP, Leren TP. Molecular genetic analysis of long QT syndrome in Norway indicating a high prevalence of heterozygous mutation carriers. Scand J Clin Lab Invest. 2008;68(5):362-8. doi: 10.1080/00365510701765643. PMID: 18752142.
102. Aburawi EH, Carlsson M, Berg A. Coronary artery stenosis in asymptomatic child after arterial switch operation: detection by transthoracic colour-flow doppler echocardiography. Acta Paediatr. 2008 Mar;97(3):376-8. doi: 10.1111/j.1651-2227.2007.00627.x. Epub 2008 Jan 31. PMID: 18241294.
103. Lønnebakken MT, Greve G, Leirgul E, Gerdts E. Brain abscess caused by paradoxical embolization in Ebstein's anomaly. Eur J Echocardiogr. 2008 Jan;9(1):105-6. doi: 10.1016/j.euje.2007.03.032. PMID: 17600768.
104. Meberg A, Andreassen A, Brunvand L, Markestad T, Moster D, Nietsch L, Silberg IE, Skålevik JE. Pulse oximetry screening as a complementary strategy to detect critical congenital heart defects. Acta Paediatr. 2009 Apr;98(4):682-6. doi: 10.1111/j.1651-2227.2008.01199.x. Epub 2008 Jan 15. PMID: 19154526.
105. Edwards NC, Hirth A, Ferro CJ, Townend JN, Steeds RP. Subclinical abnormalities of left ventricular myocardial deformation in early-stage chronic kidney disease: the precursor of uremic cardiomyopathy? J Am Soc Echocardiogr. 2008 Dec;21(12):1293-8. doi: 10.1016/j.echo.2008.09.013. PMID: 19041571.
106. Meberg A, Brügmann-Pieper S, Due R Jr, Eskedal L, Fagerli I, Farstad T, Frøisland DH, Sannes CH, Johansen OJ, Keljalic J, Markestad T, Nygaard EA, Røsvik A, Silberg IE. First day of life pulse oximetry screening to detect congenital heart defects. J Pediatr. 2008 Jun;152(6):761-5. doi: 10.1016/j.jpeds.2007.12.043. Epub 2008 Mar 6. Erratum in: J Pediatr. 2009 Apr;154(4):629. PMID: 18492511.
107. Hirth A, Nightingale S, Wilmshurst P, Disney P, Thorne S. Prevalence of migraine in adults with cyanotic congenital heart disease. Congenit Heart Dis. 2008 Mar-Apr;3(2):124-7. doi: 10.1111/j.1747-0803.2008.00167.x. PMID: 18380761.
108. Svangtun H, Greve G, Leirgul E, Berg A. Intrauterin veksthemming og vaskulaere forandringer hos nyfødte [Intrauterine growth retardation and vascular changes in neonates]. Tidsskr Nor Laegeforen. 2008 Jan 17;128(2):177-9. Norwegian. PMID: 18240392.
109. Aburawi EH, Berg A, Liuba P, Pesonen E. Effects of cardiopulmonary bypass surgery on coronary flow in children assessed with transthoracic Doppler echocardiography. Am J Physiol Heart Circ Physiol. 2007 Aug;293(2):H1138-43. doi: 10.1152/ajpheart.00025.2007. Epub 2007 May 4. PMID: 17483244.
110. Hirth A, Berg A, Greve G. Successful treatment of severe heart failure in an infant with Hurler syndrome. J Inherit Metab Dis. 2007 Oct;30(5):820. doi: 10.1007/s10545-007-0613-z. Epub 2007 Sep 4. PMID: 17768668.
111. Aburawi EH, Liuba P, Berg A, Pesonen E. A transthoracic Doppler echocardiography study of C-reactive protein and coronary microcirculation in children after open heart surgery. Cardiol Young. 2007 Oct;17(5):472-7. doi: 10.1017/S1047951107000972. Epub 2007 Jul 18. PMID: 17634161.
112. Trønnes H, Norgård G, Berg A. En gutt på ni uker med høy feber og diaré [A 9-week-old boy with fever and diarrhoea]. Tidsskr Nor Laegeforen. 2007 Sep 20;127(18):2386-7. Norwegian. PMID: 17941154.
113. Greve G, Leirgul E. Takyarytmi og cor triatriatum [Tachyarrhythmia and cor triatriatum]. Tidsskr Nor Laegeforen. 2007 Apr 19;127(8):1058. Norwegian. PMID: 17469212.
114. Markestad T. Begrensning av livsforlengende behandling [Life support care restriction]. Tidsskr Nor Laegeforen. 2008 Feb 14;128(4):476. Norwegian. PMID: 18274593.
115. Hirth A, Disney P, Thorne S. Brain abscess associated with an unusual cause of right to left shunt. Heart. 2007 Jan;93(1):34. doi: 10.1136/hrt.2006.093773. PMID: 17170340; PMCID: PMC1861353.
116. Thorsen PJ, Berg A, Hoff PI, Greve G. Risikofaktor for brå hjertedød ved lang QT-syndrom [Risk factors for sudden cardiac death related to the long QT syndrome]. Tidsskr Nor Laegeforen. 2006 Oct 5;126(19):2515-9. Norwegian. PMID: 17028631.
117. Pesonen E, Johnsson J, Berg A. Intimal thickness of the coronary arteries in low-birthweight infants. Acta Paediatr. 2006 Oct;95(10):1234-8. doi: 10.1080/08035250600602992. PMID: 16982496.
118. Vislie CH, Mikkelsen RB, Hoff PI, Greve G. Atrioventrikulaer nodal takykardi hos barn [Atrioventricular nodal reentry tachycardia in children]. Tidsskr Nor Laegeforen. 2006 Sep 21;126(18):2373-6. Norwegian. PMID: 16998549.
119. Hirth A, Reybrouck T, Bjarnason-Wehrens B, Lawrenz W, Hoffmann A. Recommendations for participation in competitive and leisure sports in patients with congenital heart disease: a consensus document. Eur J Cardiovasc Prev Rehabil. 2006 Jun;13(3):293-9. doi: 10.1097/01.hjr.0000220574.22195.d6. PMID: 16926656.
120. Midtbø H, Hirth A, Norgård G, Greve G. Trenger pasienter med ventrikkelseptumdefekt endokardittprofylakse? [Do patients with ventricular septal defect need endocarditis prophylaxis?]. Tidsskr Nor Laegeforen. 2005 Dec 1;125(23):3256-8. Norwegian. PMID: 16327848.
121. Berg A, Søvik O, Hirth A. Vaeskebehandling og risiko for hjerneødem hos barn med diabetisk ketoacidose [Fluid management and the risk of cerebral oedema in children with diabetic ketoacidosis]. Tidsskr Nor Laegeforen. 2005 Nov 3;125(21):2932-5. Norwegian. PMID: 16276374.
122. Pelliccia A, Fagard R, Bjørnstad HH, Anastassakis A, Arbustini E, Assanelli D, Biffi A, Borjesson M, Carrè F, Corrado D, Delise P, Dorwarth U, Hirth A, Heidbuchel H, Hoffmann E, Mellwig KP, Panhuyzen-Goedkoop N, Pisani A, Solberg EE, van-Buuren F, Vanhees L, Blomstrom-Lundqvist C, Deligiannis A, Dugmore D, Glikson M, Hoff PI, Hoffmann A, Hoffmann E, Horstkotte D, Nordrehaug JE, Oudhof J, McKenna WJ, Penco M, Priori S, Reybrouck T, Senden J, Spataro A, Thiene G; Study Group of Sports Cardiology of the Working Group of Cardiac Rehabilitation and Exercise Physiology; Working Group of Myocardial and Pericardial Diseases of the European Society of Cardiology. Recommendations for competitive sports participation in athletes with cardiovascular disease: a consensus document from the Study Group of Sports Cardiology of the Working Group of Cardiac Rehabilitation and Exercise Physiology and the Working Group of Myocardial and Pericardial Diseases of the European Society of Cardiology. Eur Heart J. 2005 Jul;26(14):1422-45. doi: 10.1093/eurheartj/ehi325. Epub 2005 May 27. PMID: 15923204.
123. Berg A, Greve G, Hirth A, Rosland GA, Norgård G. Vurdering av barn med hjertebilyder [Evaluation of cardiac murmurs in children]. Tidsskr Nor Laegeforen. 2005 Apr 21;125(8):1000-3. Norwegian. PMID: 15852070.
124. Norgård G, Greve G, Rosland GA, Berg A. Henvisningspraksis og klinisk vurdering av bilyder hos barn [Referral practice and clinical assessment of heart murmurs in children]. Tidsskr Nor Laegeforen. 2005 Apr 21;125(8):996-8. Norwegian. PMID: 15852069.
125. Zadinello M, Greve G, Liu XQ, Barbosa JR Jr, Schulze-Neick I, Wilkinson JL, Redington AN. Angiotensin I converting enzyme genotype affects ventricular remodelling in children with aortic coarctation. Heart. 2005 Mar;91(3):367-8. doi: 10.1136/hrt.2003.026716. PMID: 15710723; PMCID: PMC1768784.
126. Instebø A, Norgård G, Helgheim V, Røksund OD, Segadal L, Greve G. Exercise capacity in young adults with hypertension and systolic blood pressure difference between right arm and leg after repair of coarctation of the aorta. Eur J Appl Physiol. 2004 Oct;93(1-2):116-23. doi: 10.1007/s00421-004-1180-8. Epub 2004 Jul 28. PMID: 15549367.
127. Lidén A, Berg A, Nedrebø T, Reed RK, Rubin K. Platelet-derived growth factor BB-mediated normalization of dermal interstitial fluid pressure after mast cell degranulation depends on beta3 but not beta1 integrins. Circ Res. 2006 Mar 17;98(5):635-41. doi: 10.1161/01.RES.0000207393.67851.d4. Epub 2006 Feb 2. PMID: 16456102.
128. Chen RL, Penny DJ, Greve G, Lab MJ. Stretch-induced regional mechanoelectric dispersion and arrhythmia in the right ventricle of anesthetized lambs. Am J Physiol Heart Circ Physiol. 2004 Mar;286(3):H1008-14. doi: 10.1152/ajpheart.00724.2003. PMID: 14766676.
129. Chen R, Penny DJ, Greve G, Lab MJ. Rate dependence of mechanically induced electrophysiological changes in right ventricle of anaesthetized lambs during pulmonary artery occlusion. Acta Physiol Scand. 2004 Jan;180(1):13-9. doi: 10.1046/j.0001-6772.2003.01201.x. PMID: 14706108.
130. Markestad T. HLR minus og behandlingsunnlatelse [CPR and do-not-resuscitate orders]. Tidsskr Nor Laegeforen. 2003 Nov 20;123(22):3179. Norwegian. PMID: 14714002.
131. Nedrebø T, Reed RK, Berg A. Effect of alpha-trinositol on interstitial fluid pressure, edema generation, and albumin extravasation after ischemia-reperfusion injury in rat hind limb. Shock. 2003 Aug;20(2):149-53. doi: 10.1097/01.shk.0000072128.33223.15. PMID: 12865659.
132. Gray R, Greve G, Chen R, Fry C, Barron D, Lab MJ, White PA, Redington AN, Penny DJ. Right ventricular myocardial responses to chronic pulmonary regurgitation in lambs: disturbances of activation and conduction. Pediatr Res. 2003 Oct;54(4):529-35. doi: 10.1203/01.PDR.0000084829.67270.FA. Epub 2003 Jul 2. PMID: 12840148.
133. Larsen TH, Taxt AM, Aslaksen A, Segadal L, Norgård G, Røksund OD, Greve G. Magnetic resonance imaging of patients with increased blood pressure and altered blood pressure response to exercise after coarctation repair. Scand Cardiovasc J. 2003 May;37(2):98-103. doi: 10.1080/14017430310001203. PMID: 12775309.
134. Thomassen L, Waje-Andreassen U, Naess H, Hirth A, Russell D. Transkranial dopplersonografi, paradokse embolier og høyre-venstre-shunt [Transcranial Doppler sonography, paradoxical embolism and right-to-left shunt]. Tidsskr Nor Laegeforen. 2003 Mar 20;123(6):789-90. Norwegian. PMID: 12693116.
135. Hirth A, Greve G, Rosland GA, Thomassen L, Norgård G. Kateterbasert lukking av åpentstående foramen ovale hos unge slagpasienter [Transcatheter closure of patent foramen ovale in young stroke patients]. Tidsskr Nor Laegeforen. 2003 Mar 20;123(6):785-8. Norwegian. PMID: 12693115.
136. Rasmussen S, Albrechtsen S, Irgens LM, Dalaker K, Maartmann-Moe H, Vlatkovic L, Markestad T. Unexplained antepartum fetal death in Norway, 1985-97: diagnostic validation and some epidemiologic aspects. Acta Obstet Gynecol Scand. 2003 Feb;82(2):109-15. doi: 10.1034/j.1600-0412.2003.00009.x. PMID: 12648170.
137. Rasmussen S, Albrechtsen S, Irgens LM, Dalaker K, Maartmann-Moe H, Vlatkovic L, Markestad T. Risk factors for unexplained antepartum fetal death in Norway 1967-1998. Early Hum Dev. 2003 Feb;71(1):39-52. doi: 10.1016/s0378-3782(02)00111-1. PMID: 12614949.
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141. Greve G, Lab MJ, Chen R, Barron D, White PA, Redington AN, Penny DJ. Right ventricular distension alters monophasic action potential duration during pulmonary arterial occlusion in anaesthetised lambs: evidence for arrhythmogenic right ventricular mechanoelectrical feedback. Exp Physiol. 2001 Sep;86(5):651-7. doi: 10.1113/eph8602225. PMID: 11571494.
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143. Baptista MJ, Fairbrother UL, Howard CM, Farrer MJ, Davies GE, Trikka D, Maratou K, Redington A, Greve G, Njølstad PR, Kessling AM. Heterotrisomy, a significant contributing factor to ventricular septal defect associated with Down syndrome? Hum Genet. 2000 Nov;107(5):476-82. doi: 10.1007/s004390000395. PMID: 11140945.
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Peer review publications:

1. Lovund IK, Mjelle AB, Thaulow CM, Gjøen JE. Bacterial Meningitis in Norwegian Children 2010-2023: Low Incidence but Still a Major Threat in Neonates. Acta Paediatr. 2026 Mar;115(3):664-670. doi: 10.1111/apa.70379. Epub 2025 Nov 22. PMID: 41273196.
2. Halbig JM, Stoustrup P, Kristensen KD, Frid P, Rypdal V, Songstad NT, Augdal TA, Fischer J, Gil EG, Cetrelli L, Lundestad A, Angenete O, Aukland SM, Tylleskär K, Rosen A, Skeie MS, Rygg M, Rosendahl K, Jönsson B, Nordal E. Temporomandibular disorder in children with juvenile idiopathic arthritis with and without temporomandibular joint involvement compared to controls - a two-year prospective multicenter cohort study. BMC Oral Health. 2026 Jan 24;26(1):334. doi: 10.1186/s12903-026-07738-4. PMID: 41580689; PMCID: PMC12910768.
3. Vatne A, Eriksen BHH, Bergqvist F, Fagerli I, Guthe HJT, Iversen KV, Ud Din FS, van der Weijde J, Kvaløy JT, Rettedal S. Serial physical examination to reduce unnecessary antibiotic exposure in newborn infants: a population-based study. Arch Dis Child Fetal Neonatal Ed. 2025 Nov 19:fetalneonatal-2025-329639. doi: 10.1136/archdischild-2025-329639. Epub ahead of print. PMID: 41260908.
4. Lundestad A, Cetrelli L, Angenete OW, Augdal TA, Tylleskär K, Nordal EB, Rosendahl K, Hoftun GB, Hoff M, Romundstad PR, Rygg M. Bone health in juvenile idiopathic arthritis compared with controls based on a Norwegian observational study. RMD Open. 2025 Jun 19;11(2):e005605. doi: 10.1136/rmdopen-2025-005605. PMID: 40537274; PMCID: PMC12182186.
5. Arneng SM, Jenssen IP, Lundestad A, Cetrelli L, Angenete O, Nordal E, Tylleskär KB, Romundstad PR, Rygg M. The patient's voice: a cross-sectional study of physical health and disability in juvenile idiopathic arthritis. Pediatr Rheumatol Online J. 2024 Nov 18;22(1):100. doi: 10.1186/s12969-024-01034-7. PMID: 39558411; PMCID: PMC11572323.
6. Bredholt G, Sævik M, Søyland H, Ueland T, Zhou F, Pathirana R, Madsen A, Vahokoski J, Lartey S, Halvorsen BE, Dahl TB, Trieu MC, Mohn KG, Brokstad KA, Aukrust P, Tøndel C, Langeland N, Blomberg B, Cox RJ; Bergen COVID-19 Research Group. Three doses of Sars-CoV-2 mRNA vaccine in older adults result in similar antibody responses but reduced cellular cytokine responses relative to younger adults. Vaccine X. 2024 Sep 25;20:100564. doi: 10.1016/j.jvacx.2024.100564. PMID: 39403561; PMCID: PMC11472110.
7. Cetrelli L, Lundestad A, Gil EG, Fischer J, Halbig J, Frid P, Angenete O, Rosén A, Tylleskär KB, Luukko K, Nordal E, Åstrøm AN, Skeie MS, Stunes AK, Bletsa A, Sen A, Feuerherm AJ, Rygg M. Serum and salivary inflammatory biomarkers in juvenile idiopathic arthritis-an explorative cross-sectional study. Pediatr Rheumatol Online J. 2024 Mar 9;22(1):36. doi: 10.1186/s12969-024-00972-6. PMID: 38461338; PMCID: PMC10924355.
8. Varpula R, Äyräs O, Aabakke AJM, Klungsøyr K, Svanvik T, Kanerva J, Jonasdottir E, Mentzoni CT, Thurn L, Jones E, Fredriksson L, Pettersson K, Nyfløt LT, Vangen S, Røe K, Júlíusson PB, Källén K, Gissler M, Pyykönen A, Jakobsson M, Krebs L, Engjom HM. Early suppression policies protected pregnant women from COVID-19 in 2020: A population-based surveillance from the Nordic countries. Acta Obstet Gynecol Scand. 2024 Jun;103(6):1063-1072. doi: 10.1111/aogs.14808. Epub 2024 Feb 21. PMID: 38382894; PMCID: PMC11103151.
9. Zhou F, Vahokoski J; Bergen COVID-19 Research Group; Langeland N, Cox RJ. Impact of ageing on homologous and human-coronavirus-reactive antibodies after SARS-CoV-2 vaccination or infection. NPJ Vaccines. 2024 Feb 20;9(1):37. doi: 10.1038/s41541-024-00817-z. PMID: 38378953; PMCID: PMC10879087.
10. Varpula R, Äyräs O, Aabakke AJM, Klungsøyr K, Svanvik T, Kanerva J, Jonasdottir E, Mentzoni CT, Thurn L, Jones E, Fredriksson L, Pettersson K, Nyfløt LT, Vangen S, Røe K, Júlíusson PB, Källén K, Gissler M, Pyykönen A, Jakobsson M, Krebs L, Engjom HM. Early suppression policies protected pregnant women from COVID-19 in 2020: A population-based surveillance from the Nordic countries. Acta Obstet Gynecol Scand. 2024 Jun;103(6):1063-1072. doi: 10.1111/aogs.14808. Epub 2024 Feb 21. PMID: 38382894; PMCID: PMC11103151.
11. Norman M, Magnus MC, Söderling J, Juliusson PB, Navér L, Örtqvist AK, Håberg S, Stephansson O. Neonatal Outcomes After COVID-19 Vaccination in Pregnancy. JAMA. 2024 Feb 6;331(5):396-407. doi: 10.1001/jama.2023.26945. PMID: 38319332; PMCID: PMC10848052.
12. Ludvigsson JF, Håberg SE, Juliusson PB, Andersen AN, Urhoj SK, Stephansson O. Three Scandinavian countries did not see the same increase in foetal situs inversus observed in China during the COVID-19 pandemic. Acta Paediatr. 2024 Apr;113(4):751-752. doi: 10.1111/apa.17141. Epub 2024 Feb 3. PMID: 38308485.
13. Raknes G, Fagerås SJ, Sveen KA, Júlíusson PB, Strøm MS. Excess non-COVID-19 mortality in Norway 2020-2022. BMC Public Health. 2024 Jan 22;24(1):244. doi: 10.1186/s12889-023-17515-5. PMID: 38254068; PMCID: PMC10801945.
14. Onyango TB, Zhou F, Bredholt G, Brokstad KA, Lartey S, Mohn KG, Özgümüs T, Kittang BR, Linchausen DW, Shafiani S, Elyanow R, Blomberg B, Langeland N, Cox RJ; Bergen COVID-19 Research Group. SARS-CoV-2 specific immune responses in overweight and obese COVID-19 patients. Front Immunol. 2023 Nov 2;14:1287388. doi: 10.3389/fimmu.2023.1287388. PMID: 38022529; PMCID: PMC10653322.
15. Huncikova Z, Stensvold HJ, Øymar KAA, Vatne A, Lang AM, Støen R, Brigtsen AK, Moster D, Eriksen BH, Selberg T, Rønnestad A, Klingenberg C. Variation in antibiotic consumption in very preterm infants-a 10 year population-based study. J Antimicrob Chemother. 2024 Jan 3;79(1):143-150. doi: 10.1093/jac/dkad358. PMID: 37986613; PMCID: PMC10761275.
16. Huncikova Z, Vatne A, Stensvold HJ, Lang AM, Støen R, Brigtsen AK, Salvesen B, Øymar KAA, Rønnestad A, Klingenberg C; Norwegian Neonatal Network. Late-onset sepsis in very preterm infants in Norway in 2009-2018: a population-based study. Arch Dis Child Fetal Neonatal Ed. 2023 Sep;108(5):478-484. doi: 10.1136/archdischild-2022-324977. Epub 2023 Feb 2. PMID: 36732047; PMCID: PMC10447404.
17. Thaulow CM, Klingenberg C. C.H. Thaulow og C. Klingenberg svarer. Tidsskr Nor Laegeforen. 2023 Sep 4;143(12). Norwegian. doi: 10.4045/tidsskr.23.0535. PMID: 37668122.
18. Bansal A, Trieu MC, Mohn KGI, Madsen A, Olofsson JS, Sandnes HH, Sævik M, Søyland H, Hansen L, Onyango TB, Tøndel C, Brokstad KA; Bergen COVID-19 research group; Syre H, Riis ÅG, Langeland N, Cox RJ. Risk assessment and antibody responses to SARS-CoV-2 in healthcare workers. Front Public Health. 2023 Jul 21;11:1164326. doi: 10.3389/fpubh.2023.1164326. PMID: 37546332; PMCID: PMC10402899.
19. Thaulow CM, Klingenberg C. Penicillin for enhver pris? Tidsskr Nor Laegeforen. 2023 Jun 26;143(10). Norwegian. doi: 10.4045/tidsskr.23.0172. PMID: 37376941.
20. Vatne A, Hapnes N, Stensvold HJ, Dalen I, Guthe HJ, Støen R, Brigtsen AK, Rønnestad AE, Klingenberg C; Norwegian Neonatal Network. Early Empirical Antibiotics and Adverse Clinical Outcomes in Infants Born Very Preterm: A Population-Based Cohort. J Pediatr. 2023 Feb;253:107-114.e5. doi: 10.1016/j.jpeds.2022.09.029. Epub 2022 Sep 28. PMID: 36179887.
21. Hansen L, Brokstad KA, Bansal A, Zhou F, Bredholt G, Onyango TB, Sandnes HH, Elyanow R, Madsen A, Trieu MC, Sævik M, Søyland H, Olofsson JS, Vahokoski J, Ertesvåg NU, Fjelltveit EB, Shafiani S, Tøndel C, Chapman H, Kaplan I, Mohn KGI, Langeland N, Cox RJ. Durable immune responses after BNT162b2 vaccination in home-dwelling old adults. Vaccine X. 2023 Apr;13:100262. doi: 10.1016/j.jvacx.2023.100262. Epub 2023 Jan 10. PMID: 36643855; PMCID: PMC9830931.
22. Fjelltveit EB, Blomberg B, Kuwelker K, Zhou F, Onyango TB, Brokstad KA, Elyanow R, Kaplan IM, Tøndel C, Mohn KGI, Özgümüş T, Cox RJ, Langeland N; Bergen COVID-19 Research Group. Symptom Burden and Immune Dynamics 6 to 18 Months Following Mild Severe Acute Respiratory Syndrome Coronavirus 2 Infection (SARS-CoV-2): A Case-control Study. Clin Infect Dis. 2023 Feb 8;76(3):e60-e70. doi: 10.1093/cid/ciac655. PMID: 35959897; PMCID: PMC9384725.
23. Gil EG, Åstrøm AN, Lie SA, Rygg M, Fischer J, Rosén A, Bletsa A, Luukko K, Shi XQ, Halbig J, Frid P, Cetrelli L, Tylleskär K, Rosendahl K, Skeie MS. Dental plaque and gingival bleeding in adolescents with juvenile idiopathic arthritis and controls: a multilevel analysis. Acta Odontol Scand. 2023 Jan;81(1):50-65. doi: 10.1080/00016357.2022.2078505. Epub 2022 May 30. PMID: 35635806.
24. Thaulow CM, Lindemann PC, Klingenberg C. Meticillinresistente gule stafylokokker i sårsekret hos barn [Methicillin-resistant Staphylococcus aureus in wound drainage in children]. Tidsskr Nor Laegeforen. 2022 Nov 7;142(16). Norwegian. doi: 10.4045/tidsskr.22.0186. PMID: 36345631.
25. Syre H, Obreque MEB, Dalen I, Riis ÅG, Berg Å, Löhr IH, Sundal J, Kleppe LK, Vadla MS, Lenning OB, Olofsson JS, Mohn KG, Tøndel C, Blomberg B, Trieu MC, Langeland N, Cox RJ. The Performances of Three Commercially Available Assays for the Detection of SARS-CoV-2 Antibodies at Different Time Points Following SARS-CoV-2 Infection. Viruses. 2022 Oct 5;14(10):2196. doi: 10.3390/v14102196. PMID: 36298751; PMCID: PMC9610468.
26. Gil EG, Skeie MS, Halbig J, Jönsson B, Lie SA, Rygg M, Fischer J, Rosén A, Bletsa A, Luukko K, Shi XQ, Frid P, Cetrelli L, Tylleskär K, Rosendahl K, Åstrøm AN. Oral health-related quality of life in 4-16-year-olds with and without juvenile idiopathic arthritis. BMC Oral Health. 2022 Sep 6;22(1):387. doi: 10.1186/s12903-022-02400-1. PMID: 36068497; PMCID: PMC9450232.
27. Fischer J, Halbig J, Augdal T, Angenete O, Stoustrup PB, Dahl Kristensen K, Skeie MS, Tylleskär K, Rosén A, Shi X, Rosendahl K. Observer agreement of imaging measurements used for evaluation of dentofacial deformity in juvenile idiopathic arthritis. Dentomaxillofac Radiol. 2022 Sep 1;51(6):20210478. doi: 10.1259/dmfr.20210478. Epub 2022 Aug 2. PMID: 35466687; PMCID: PMC10043626.
28. Cetrelli L, Bletsa A, Lundestad A, Gil EG, Fischer J, Halbig J, Frid P, Angenete O, Lillevoll I, Rosén A, Tylleskär KB, Luukko K, Nordal E, Åstrøm AN, Skeie MS, Feuerherm AJ, Sen A, Rygg M. Vitamin D, oral health, and disease characteristics in juvenile idiopathic arthritis: a multicenter cross-sectional study. BMC Oral Health. 2022 Aug 8;22(1):333. doi: 10.1186/s12903-022-02349-1. PMID: 35941635; PMCID: PMC9361556.
29. Thaulow CM, Blix HS, Nilsen RM, Eriksen BH, Wathne JS, Berild D, Harthug S. Antibiotic use in children before, during and after hospitalisation. Pharmacoepidemiol Drug Saf. 2022 Jul;31(7):749-757. doi: 10.1002/pds.5438. Epub 2022 Apr 19. PMID: 35384111; PMCID: PMC9320961.
30. Parr CL, Nystad W, Karlstad Ø, Øymar K, Langhammer A, Nafstad P, Wisløff T. Ten-year trends of national healthcare costs of asthma, allergic rhinitis, and atopic eczema in 3 million Norwegians. Allergy. 2022 May;77(5):1614-1616. doi: 10.1111/all.15225. Epub 2022 Feb 1. PMID: 35048378; PMCID: PMC9303559.
31. Thaulow CM, Harthug S, Nilsen RM, Eriksen BH, Wathne JS, Berild D, Blix HS. Are infants exposed to antimicrobials during the first 3 months of life at increased risk of recurrent use? An explorative data-linkage study. J Antimicrob Chemother. 2022 Apr 27;77(5):1468-1475. doi: 10.1093/jac/dkac024. PMID: 35137117; PMCID: PMC9047674.
32. Ekanger CT, Zhou F, Bohan D, Lotsberg ML, Ramnefjell M, Hoareau L, Røsland GV, Lu N, Aanerud M, Gärtner F, Salminen PR, Bentsen M, Halvorsen T, Ræder H, Akslen LA, Langeland N, Cox R, Maury W, Stuhr LEB, Lorens JB, Engelsen AST. Human Organotypic Airway and Lung Organoid Cells of Bronchiolar and Alveolar Differentiation Are Permissive to Infection by Influenza and SARS-CoV-2 Respiratory Virus. Front Cell Infect Microbiol. 2022 Mar 14;12:841447. doi: 10.3389/fcimb.2022.841447. PMID: 35360113; PMCID: PMC8964279.
33. Thaulow CM, Harthug S, Nilsen RM, Eriksen BH, Wathne JS, Berild D, Blix HS. Are infants exposed to antimicrobials during the first 3 months of life at increased risk of recurrent use? An explorative data-linkage study. J Antimicrob Chemother. 2022 Apr 27;77(5):1468-1475. doi: 10.1093/jac/dkac024. PMID: 35137117; PMCID: PMC9047674.
34. Magnus MC, Oakley L, Gjessing HK, Stephansson O, Engjom HM, Macsali F, Juliusson PB, Nybo Andersen AM, Håberg SE. Pregnancy and risk of COVID-19: a Norwegian registry-linkage study. BJOG. 2022 Jan;129(1):101-109. doi: 10.1111/1471-0528.16969. Epub 2021 Nov 1. PMID: 34657368; PMCID: PMC8652518.
35. Fischer J, Augdal TA, Angenete O, Gil EG, Skeie MS, Åstrøm AN, Tylleskär K, Rosendahl K, Shi XQ, Rosén A; NorJIA (Norwegian JIA Study — Imaging, oral health, and quality of life in children with juvenile idiopathic arthritis).. In children and adolescents with temporomandibular disorder assembled with juvenile idiopathic arthritis - no association were found between pain and TMJ deformities using CBCT. BMC Oral Health. 2021 Oct 12;21(1):518. doi: 10.1186/s12903-021-01870-z. PMID: 34641860; PMCID: PMC8513178.
36. Raknes G, Strøm MS, Sulo G, Øverland S, Roelants M, Juliusson PB. Lockdown and non-COVID-19 deaths: cause-specific mortality during the first wave of the 2020 pandemic in Norway: a population-based register study. BMJ Open. 2021 Dec 14;11(12):e050525. doi: 10.1136/bmjopen-2021-050525. PMID: 34907049; PMCID: PMC8671852.
37. Blomberg B, Mohn KG, Brokstad KA, Zhou F, Linchausen DW, Hansen BA, Lartey S, Onyango TB, Kuwelker K, Sævik M, Bartsch H, Tøndel C, Kittang BR; Bergen COVID-19 Research Group; Cox RJ, Langeland N. Long COVID in a prospective cohort of home-isolated patients. Nat Med. 2021 Sep;27(9):1607-1613. doi: 10.1038/s41591-021-01433-3. Epub 2021 Jun 23. PMID: 34163090; PMCID: PMC8440190.
38. Gil EG, Åstrøm AN, Lie SA, Rygg M, Fischer J, Rosén A, Bletsa A, Luukko K, Shi XQ, Halbig J, Frid P, Cetrelli L, Tylleskär K, Rosendahl K, Skeie MS. Dental caries in children and adolescents with juvenile idiopathic arthritis and controls: a multilevel analysis. BMC Oral Health. 2021 Aug 25;21(1):417. doi: 10.1186/s12903-021-01758-y. PMID: 34433437; PMCID: PMC8390188.
39. Selvåg M, Thaulow CM. Half of all hospitalised children treated with antibiotics for pneumonia did not fulfil radiological, microbiological or laboratory criteria. Acta Paediatr. 2021 Jun;110(6):1924-1931. doi: 10.1111/apa.15808. Epub 2021 Feb 19. PMID: 33576065.
40. Engjom H, Aabakke AJM, Klungsøyr K, Svanvik T, Äyräs O, Jonasdottir E, Thurn L, Jones E, Pettersson K, Nyfløt LT, Al-Zirqi I, Vangen S, Júlíusson PB, Källén K, Gissler M, Krebs L. COVID-19 in pregnancy-characteristics and outcomes of pregnant women admitted to hospital because of SARS-CoV-2 infection in the Nordic countries. Acta Obstet Gynecol Scand. 2021 Sep;100(9):1611-1619. doi: 10.1111/aogs.14160. Epub 2021 May 7. PMID: 33885150; PMCID: PMC8250817.
41. Thaulow CM, Lindemann PC, Klingenberg C, Berild D, Salvesen Blix H, Myklebust TÅ, Harthug S. Epidemiology and Antimicrobial Susceptibility of Invasive Bacterial Infections in Children-A Population-Based Study From Norway. Pediatr Infect Dis J. 2021 May 1;40(5):403-410. doi: 10.1097/INF.0000000000003013. PMID: 33298760.
42. Kuwelker K, Zhou F, Blomberg B, Lartey S, Brokstad KA, Trieu MC, Bansal A, Madsen A, Krammer F, Mohn KG, Tøndel C, Linchausen DW, Cox RJ, Langeland N; Bergen COVID-19 research group. Attack rates amongst household members of outpatients with confirmed COVID-19 in Bergen, Norway: A case-ascertained study. Lancet Reg Health Eur. 2021 Apr;3:100014. doi: 10.1016/j.lanepe.2020.100014. Epub 2021 Mar 31. PMID: 33871470; PMCID: PMC8009692.
43. Vatne A, Klingenberg C, Rettedal S, Øymar K. Early-Onset Sepsis in Neonates - A Population-Based Study in South-West Norway From 1996 to 2018. Front Pediatr. 2021 Mar 17;9:634798. doi: 10.3389/fped.2021.634798. PMID: 33816402; PMCID: PMC8010672.
44. Trieu MC, Bansal A, Madsen A, Zhou F, Sævik M, Vahokoski J, Brokstad KA, Krammer F, Tøndel C, Mohn KGI, Blomberg B, Langeland N, Cox RJ; Bergen COVID-19 Research Group. SARS-CoV-2-Specific Neutralizing Antibody Responses in Norwegian Health Care Workers After the First Wave of COVID-19 Pandemic: A Prospective Cohort Study. J Infect Dis. 2021 Feb 24;223(4):589-599. doi: 10.1093/infdis/jiaa737. PMID: 33247924; PMCID: PMC7798943.
45. Kristiansen T, Pettersen FO, Lier T, Hinderaker SG, Greve G, Mørch K. Schistosomiasis in Norwegian students after travel to Africa. Tidsskr Nor Laegeforen. 2021 Feb 15;141(3). English, Norwegian. doi: 10.4045/tidsskr.20.0268. PMID: 33624965.
46. Vatne A, Klingenberg C, Øymar K, Rønnestad AE, Manzoni P, Rettedal S. Reduced Antibiotic Exposure by Serial Physical Examinations in Term Neonates at Risk of Early-onset Sepsis. Pediatr Infect Dis J. 2020 May;39(5):438-443. doi: 10.1097/INF.0000000000002590. PMID: 32301920.
47. Fischer J, Skeie MS, Rosendahl K, Tylleskär K, Lie S, Shi XQ, Gil EG, Cetrelli L, Halbig J, von Wangenheim Marti L, Rygg M, Frid P, Stoustrup P, Rosèn A. Prevalence of temporomandibular disorder in children and adolescents with juvenile idiopathic arthritis - a Norwegian cross- sectional multicentre study. BMC Oral Health. 2020 Oct 13;20(1):282. doi: 10.1186/s12903-020-01234-z. PMID: 33050890; PMCID: PMC7557069.
48. Kvåle R, Bønaa KH, Forster R, Gravningen K, Júlíusson PB, Myklebust TÅ. Does a history of cardiovascular disease or cancer affect mortality after SARS-CoV-2 infection? Tidsskr Nor Laegeforen. 2020 Dec 29;140(2). English, Norwegian. doi: 10.4045/tidsskr.20.0956. PMID: 33528146.
49. Frid P, Augdal TA, Larheim TA, Halbig J, Rypdal V, Songstad NT, Rosén A, Tylleskär KB, Berstad JR, Flatø B, Stoustrup P, Rosendahl K, Kirkhus E, Nordal E. Efficacy and safety of intraarticular corticosteroid injections in adolescents with juvenile idiopathic arthritis in the temporomandibular joint: a Norwegian 2-year prospective multicenter pilot study. Pediatr Rheumatol Online J. 2020 Oct 1;18(1):75. doi: 10.1186/s12969-020-00464-3. PMID: 32998740; PMCID: PMC7528594.
50. Engjom H, Júlíusson PB. Sars-CoV-2-infeksjon under svangerskapet [SARS-CoV-2 infection during pregnancy]. Tidsskr Nor Laegeforen. 2020 Jul 16;140(11). Norwegian. doi: 10.4045/tidsskr.20.0489. PMID: 32815345.
51. Borén HK, Thaulow CM, Quist-Paulsen E, Wæhre T, Akselsen PE, Tonby K. Antibiotikabruk i sykehus ved covid-19 [Antibiotic use in hospitals in cases of COVID-19]. Tidsskr Nor Laegeforen. 2020 Jun 19;140(11). Norwegian. doi: 10.4045/tidsskr.20.0443. PMID: 32815355.
52. Barstad B, Henningsson AJ, Tveitnes D, Ushakova A, Noraas S, Ask IS, Bosse FJ, Øymar K. Cerebrospinal fluid cytokines and chemokines in children with Lyme neuroborreliosis; pattern and diagnostic utility. Cytokine. 2020 Mar 18;130:155023. doi: 10.1016/j.cyto.2020.155023. Epub ahead of print. PMID: 32199247.
53. Førsvoll J, Kristoffersen EK, Øymar K. The immunology of the periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis syndrome; what can the tonsils reveal. A literature review. Int J Pediatr Otorhinolaryngol. 2020 Mar;130:109795. doi: 10.1016/j.ijporl.2019.109795. Epub 2019 Nov 25. PMID: 31786522.
54. Barstad B, Tveitnes D, Dalen I, Noraas S, Ask IS, Bosse FJ, Øymar K. The B-lymphocyte chemokine CXCL13 in the cerebrospinal fluid of children with Lyme neuroborreliosis: associations with clinical and laboratory variables. Infect Dis (Lond). 2019 Nov-Dec;51(11-12):856-863. doi: 10.1080/23744235.2019.1671988. Epub 2019 Oct 1. PMID: 31573360.
55. Thaulow CM, Berild D, Blix HS, Brigtsen AK, Myklebust TÅ, Eriksen BH. Can We Optimize Antibiotic Use in Norwegian Neonates? A Prospective Comparison Between a University Hospital and a District Hospital. Front Pediatr. 2019 Oct 24;7:440. doi: 10.3389/fped.2019.00440. Erratum in: Front Pediatr. 2022 Mar 10;10:862484. PMID: 31709209; PMCID: PMC6821648.
56. Mjelle AB, Guthe HJT, Reigstad H, Bjørke-Monsen AL, Markestad T. Serum concentrations of C-reactive protein in healthy term-born Norwegian infants 48-72 hours after birth. Acta Paediatr. 2019 May;108(5):849-854. doi: 10.1111/apa.14578. Epub 2018 Oct 9. PMID: 30222898.
57. Riise ØR, Laake I, Vestrheim D, Winje BA, Moster D, Storsæter J. Preterm Children Have Higher Risk Than Full-term Children of Invasive Pneumococcal Disease During the First 2 Years of Life. Pediatr Infect Dis J. 2018 Jul;37(7):e195-e200. doi: 10.1097/INF.0000000000001989. PMID: 29570592.
58. Førsvoll J, Øymar K. The role of tonsillectomy in the Periodic Fever, Aphthous stomatitis, Pharyngitis and cervical Adenitis syndrome; a literature review. BMC Ear Nose Throat Disord. 2018 Feb 22;18:3. doi: 10.1186/s12901-017-0049-5. PMID: 29483843; PMCID: PMC5824547.
59. Barstad B, Quarsten H, Tveitnes D, Noraas S, Ask IS, Saeed M, Bosse F, Vigemyr G, Huber I, Øymar K. Direct Molecular Detection and Genotyping of Borrelia burgdorferi Sensu Lato in Cerebrospinal Fluid of Children with Lyme Neuroborreliosis. J Clin Microbiol. 2018 Apr 25;56(5):e01868-17. doi: 10.1128/JCM.01868-17. PMID: 29467195; PMCID: PMC5925720.
60. Barstad B, Tveitnes D, Noraas S, Selvik Ask I, Saeed M, Bosse F, Vigemyr G, Huber I, Øymar K. Cerebrospinal Fluid B-lymphocyte Chemoattractant CXCL13 in the Diagnosis of Acute Lyme Neuroborreliosis in Children. Pediatr Infect Dis J. 2017 Dec;36(12):e286-e292. doi: 10.1097/INF.0000000000001669. PMID: 28661964.
61. Valovirta E, Petersen TH, Piotrowska T, Laursen MK, Andersen JS, Sørensen HF, Klink R; GAP investigators. Results from the 5-year SQ grass sublingual immunotherapy tablet asthma prevention (GAP) trial in children with grass pollen allergy. J Allergy Clin Immunol. 2018 Feb;141(2):529-538.e13. doi: 10.1016/j.jaci.2017.06.014. Epub 2017 Jul 6. PMID: 28689794.
62. Riise ØR, Laake I, Vestrheim D, Flem E, Moster D, Riise Bergsaker MA, Storsæter J. Risk of Pertussis in Relation to Degree of Prematurity in Children Less Than 2 Years of Age. Pediatr Infect Dis J. 2017 May;36(5):e151-e156. doi: 10.1097/INF.0000000000001545. PMID: 28403056.
63. Øymar K, Mikalsen IB, Crowley S. Protracted bacterial bronchitis in children. Tidsskr Nor Laegeforen. 2017 Aug 21;137(14-15). English, Norwegian. doi: 10.4045/tidsskr.16.0843. PMID: 28828815.
64. Øymar K, Mikalsen IB, Nag T, Halvorsen T, Crowley S. Systemiske steroider til førskolebarn med symptomer fra nedre luftveier [Systemic steroids for preschool children with lower respiratory tract symptoms]. Tidsskr Nor Laegeforen. 2017 May 23;137(10):698-699. Norwegian. doi: 10.4045/tidsskr.17.0245. PMID: 28551964.
65. Engan M, Bjørlykke JA, Moen G, Lund KB, Njølstad G. En fire år gammel jente med diaré, kraftsvikt og mutisme [A 4-year-old girl with diarrhoea, paresis and mutism]. Tidsskr Nor Laegeforen. 2016 Sep 27;136(17):1458-60. Norwegian. doi: 10.4045/tidsskr.16.0070. PMID: 27686206.
66. Byberg KK, Eide GE, Forman MR, Júlíusson PB, Øymar K. Body mass index and physical activity in early childhood are associated with atopic sensitization, atopic dermatitis and asthma in later childhood. Clin Transl Allergy. 2016 Aug 24;6(1):33. doi: 10.1186/s13601-016-0124-9. PMID: 27559467; PMCID: PMC4995660.
67. Tveitnes D, Øymar K. Gender Differences in Childhood Lyme Neuroborreliosis. Behav Neurol. 2015;2015:790762. doi: 10.1155/2015/790762. Epub 2015 Oct 20. PMID: 26576072; PMCID: PMC4630376.
68. Rettedal S, Löhr IH, Bernhoff E, Natås OB, Sundsfjord A, Øymar K. Extended-spectrum β-lactamase-producing Enterobacteriaceae among pregnant women in Norway: prevalence and maternal-neonatal transmission. J Perinatol. 2015 Nov;35(11):907-12. doi: 10.1038/jp.2015.82. Epub 2015 Jul 9. PMID: 26507147.
69. Øymar K, Mikalsen IB, Furu K, Nystad W, Karlstad Ø. Prescription patterns of inhaled corticosteroids for preschool children--A Norwegian register study. Pediatr Allergy Immunol. 2015 Nov;26(7):655-61. doi: 10.1111/pai.12429. Epub 2015 Jul 14. PMID: 26110251.
70. Edwards AM, Bibawy D, Matthews S, Tongue N, Arshad SH, Lødrup Carlsen K, Øymar K, Pollock I, Clifford R, Thomas A, Gamanya R, Vyas J, Stevens MT, Carlsen KH. Long-term use of a 4% sodium cromoglicate cutaneous emulsion in the treatment of moderate to severe atopic dermatitis in children. J Dermatolog Treat. 2015;26(6):541-7. doi: 10.3109/09546634.2015.1034077. Epub 2015 Apr 24. PMID: 25909369.
71. Førsvoll J, Janssen EA, Møller I, Wathne N, Skaland I, Klos J, Kristoffersen EK, Øymar K. Reduced Number of CD8+ Cells in Tonsillar Germinal Centres in Children with the Periodic Fever, Aphthous Stomatitis, Pharyngitis and Cervical Adenitis Syndrome. Scand J Immunol. 2015 Jul;82(1):76-83. doi: 10.1111/sji.12303. PMID: 25882211.
72. Westby Eger SH, Kessler J, Kiserud T, Markestad T, Sommerfelt K. Foetal Doppler abnormality is associated with increased risk of sepsis and necrotising enterocolitis in preterm infants. Acta Paediatr. 2015 Apr;104(4):368-76. doi: 10.1111/apa.12893. Epub 2015 Jan 30. PMID: 25492262.
73. Trønnes H, Wilcox AJ, Markestad T, Tollånes MC, Lie RT, Moster D. Associations of maternal atopic diseases with adverse pregnancy outcomes: a national cohort study. Paediatr Perinat Epidemiol. 2014 Nov;28(6):489-97. doi: 10.1111/ppe.12154. Epub 2014 Oct 30. PMID: 25359226; PMCID: PMC4237061.
74. Byberg KK, Ogland B, Eide GE, Oymar K. Birth after preeclamptic pregnancies: association with allergic sensitization and allergic rhinoconjunctivitis in late childhood; a historically matched cohort study. BMC Pediatr. 2014 Apr 11;14:101. doi: 10.1186/1471-2431-14-101. PMID: 24725676; PMCID: PMC3995723.
75. Øymar K, Skjerven HO, Mikalsen IB. Acute bronchiolitis in infants, a review. Scand J Trauma Resusc Emerg Med. 2014 Apr 3;22:23. doi: 10.1186/1757-7241-22-23. PMID: 24694087; PMCID: PMC4230018.
76. Trønnes H, Wilcox AJ, Lie RT, Markestad T, Moster D. The association of preterm birth with severe asthma and atopic dermatitis: a national cohort study. Pediatr Allergy Immunol. 2013 Dec;24(8):782-7. doi: 10.1111/pai.12170. Epub 2013 Dec 2. PMID: 24298940; PMCID: PMC3895460.
77. Førsvoll J, Kristoffersen EK, Øymar K. Elevated levels of CXCL10 in the Periodic Fever, Aphthous stomatitis, Pharyngitis and cervical Adenitis syndrome (PFAPA) during and between febrile episodes; an indication of a persistent activation of the innate immune system. Pediatr Rheumatol Online J. 2013 Oct 17;11(1):38. doi: 10.1186/1546-0096-11-38. PMID: 24134207; PMCID: PMC3852891.
78. Tveitnes D, Hjetland R, Øymar K. Tolking av serologiske testar [Interpretation of serological tests]. Tidsskr Nor Laegeforen. 2013 Apr 23;133(8):826. Norwegian. doi: 10.4045/tidsskr.13.0409. PMID: 23612092.
79. Löhr IH, Rettedal S, Natås OB, Naseer U, Øymar K, Sundsfjord A. Long-term faecal carriage in infants and intra-household transmission of CTX-M-15-producing Klebsiella pneumoniae following a nosocomial outbreak. J Antimicrob Chemother. 2013 May;68(5):1043-8. doi: 10.1093/jac/dks502. Epub 2013 Jan 3. PMID: 23288401.
80. Førsvoll J, Kristoffersen EK, Øymar K. Incidence, clinical characteristics and outcome in Norwegian children with periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis syndrome; a population-based study. Acta Paediatr. 2013 Feb;102(2):187-92. doi: 10.1111/apa.12069. Epub 2012 Nov 27. PMID: 23106338.
81. Rettedal S, Høyland Löhr I, Natås O, Sundsfjord A, Øymar K. Risk factors for acquisition of CTX-M-15 extended-spectrum beta-lactamase-producing Klebsiella pneumoniae during an outbreak in a neonatal intensive care unit in Norway. Scand J Infect Dis. 2013 Jan;45(1):54-8. doi: 10.3109/00365548.2012.713116. Epub 2012 Sep 19. PMID: 22991960.
82. Rettedal S, Löhr IH, Natås O, Giske CG, Sundsfjord A, Øymar K. First outbreak of extended-spectrum β-lactamase-producing Klebsiella pneumoniae in a Norwegian neonatal intensive care unit; associated with contaminated breast milk and resolved by strict cohorting. APMIS. 2012 Aug;120(8):612-21. doi: 10.1111/j.1600-0463.2012.02879.x. Epub 2012 Mar 24. PMID: 22779683.
83. Mikalsen IB, Halvorsen T, Øymar K. The outcome after severe bronchiolitis is related to gender and virus. Pediatr Allergy Immunol. 2012 Jun;23(4):391-8. doi: 10.1111/j.1399-3038.2012.01283.x. Epub 2012 Mar 22. PMID: 22435682.
84. Tveitnes D, Natås OB, Skadberg Ø, Øymar K. Lyme meningitis, the major cause of childhood meningitis in an endemic area: a population based study. Arch Dis Child. 2012 Mar;97(3):215-20. doi: 10.1136/archdischild-2011-300526. Epub 2012 Jan 13. PMID: 22247243.
85. Tveitnes D, Natås OB, Skadberg Ø, Øymar K. Lyme meningitis, the major cause of childhood meningitis in an endemic area: a population based study. Arch Dis Child. 2012 Mar;97(3):215-20. doi: 10.1136/archdischild-2011-300526. Epub 2012 Jan 13. PMID: 22247243.
86. Øymar K. Bruk av inhalasjonssteroider hos førskolebarn [The use of inhaled corticosteroids in preschool children]. Tidsskr Nor Laegeforen. 2012 Jan 24;132(2):160-2. Norwegian. doi: 10.4045/tidsskr.10.0742. PMID: 22278273.
87. Valovirta E, Berstad AK, de Blic J, Bufe A, Eng P, Halken S, Ojeda P, Roberts G, Tommerup L, Varga EM, Winnergard I; GAP investigators. Design and recruitment for the GAP trial, investigating the preventive effect on asthma development of an SQ-standardized grass allergy immunotherapy tablet in children with grass pollen-induced allergic rhinoconjunctivitis. Clin Ther. 2011 Oct;33(10):1537-46. doi: 10.1016/j.clinthera.2011.09.013. Epub 2011 Oct 13. PMID: 21999887.
88. Flagstad G, Helgeland H, Markestad T. Faecal calprotectin concentrations in children with functional gastrointestinal disorders diagnosed according to the Pediatric Rome III criteria. Acta Paediatr. 2010 May;99(5):734-737. doi: 10.1111/j.1651-2227.2010.01698.x. Epub 2010 Mar 5. PMID: 20219041.
89. Gilje AM, Knudsen PK, Øymar K. Ei ung jente med magesmerter [A young girl with abdominal pain]. Tidsskr Nor Laegeforen. 2011 Jun 17;131(12):1199-201. Norwegian. doi: 10.4045/tidsskr.09.0887. PMID: 21694748.
90. Tveitnes D, Øymar K, Natås O. Laboratory data in children with Lyme neuroborreliosis, relation to clinical presentation and duration of symptoms. Scand J Infect Dis. 2009;41(5):355-62. doi: 10.1080/00365540902787666. PMID: 19253089.
91. Øymar K, Tveitnes D. Clinical characteristics of childhood Lyme neuroborreliosis in an endemic area of northern Europe. Scand J Infect Dis. 2009;41(2):88-94. doi: 10.1080/00365540802593453. PMID: 19065451.
92. Hagen I, Øymar K. Pharmacological differences between once daily and twice daily gentamicin dosage in newborns with suspected sepsis. Pharm World Sci. 2009 Feb;31(1):18-23. doi: 10.1007/s11096-008-9255-y. Epub 2008 Nov 4. PMID: 18982422.
93. Berg A, Furu K, Spigset O. Slimhinneavsvellende nesedråper og nesespray hos barn [Nasal decongestants and nasal sprays in children]. Tidsskr Nor Laegeforen. 2008 Nov 20;128(22):2582-3. Norwegian. PMID: 19023356.
94. Øymar K, Tveitnes D. Økt forekomst av nevroborreliose hos barn [Increase in childhood neuroborreliosis]. Tidsskr Nor Laegeforen. 2008 Sep 25;128(18):2060-1. Norwegian. PMID: 18846121.
95. Busse WW, Pedersen S, Pauwels RA, Tan WC, Chen YZ, Lamm CJ, O'Byrne PM; START Investigators Group. The Inhaled Steroid Treatment As Regular Therapy in Early Asthma (START) study 5-year follow-up: effectiveness of early intervention with budesonide in mild persistent asthma. J Allergy Clin Immunol. 2008 May;121(5):1167-74. doi: 10.1016/j.jaci.2008.02.029. Epub 2008 Apr 11. PMID: 18405951.
96. Byberg K, Øymar K, Aksnes L. Fatty acids in cord blood plasma, the relation to soluble CD23 and subsequent atopy. Prostaglandins Leukot Essent Fatty Acids. 2008 Jan;78(1):61-5. doi: 10.1016/j.plefa.2007.10.008. Epub 2007 Dec 3. PMID: 18060752.
97. Førsvoll JA, Øymar K. C-reactive protein in the periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA) syndrome. Acta Paediatr. 2007 Nov;96(11):1670-3. doi: 10.1111/j.1651-2227.2007.00499.x. PMID: 17937691.
98. Klingenberg C, Skadberg B. Hvordan blir nyansatte leger tatt imot på barneavdelingene? [Orientation programme for paediatric residents]. Tidsskr Nor Laegeforen. 2007 Aug 23;127(16):2105-8. Norwegian. PMID: 17717576.
99. Øymar K, Røsvik A, Fossheim J, Kjellerød C, El-Saggan A. Regelmessige episoder med høy feber hos en liten gutt [Recurrent fever episodes in a small boy]. Tidsskr Nor Laegeforen. 2007 Jun 14;127(12):1662-3. Norwegian. PMID: 17615623.
100. Øymar K, Kristoffersen EK. Periodisk feber-syndrom hos barn [Periodic fever syndrome in children]. Tidsskr Nor Laegeforen. 2007 Jun 14;127(12):1651-3. Norwegian. PMID: 17571105.
101. Tveitnes D, Øymar K, Natås O. Acute facial nerve palsy in children: how often is it lyme borreliosis? Scand J Infect Dis. 2007;39(5):425-31. doi: 10.1080/00365540601105764. PMID: 17464865.
102. Øymar K. Allergivaksinasjon i Norge [Allergy vaccination in Norway]. Tidsskr Nor Laegeforen. 2007 Apr 19;127(8):1036-8. Norwegian. PMID: 17457388.
103. Steinsvåg SK, Skadberg B, Bredesen K. Nasal symptoms and signs in children suffering from asthma. Int J Pediatr Otorhinolaryngol. 2007 Apr;71(4):615-21. doi: 10.1016/j.ijporl.2006.12.012. Epub 2007 Feb 2. PMID: 17275928.
104. Fleming DM, Crovari P, Wahn U, Klemola T, Schlesinger Y, Langussis A, Øymar K, Garcia ML, Krygier A, Costa H, Heininger U, Pregaldien JL, Cheng SM, Skinner J, Razmpour A, Saville M, Gruber WC, Forrest B; CAIV-T Asthma Study Group. Comparison of the efficacy and safety of live attenuated cold-adapted influenza vaccine, trivalent, with trivalent inactivated influenza virus vaccine in children and adolescents with asthma. Pediatr Infect Dis J. 2006 Oct;25(10):860-9. doi: 10.1097/01.inf.0000237797.14283.cf. PMID: 17006278.
105. O'Byrne PM, Pedersen S, Busse WW, Tan WC, Chen YZ, Ohlsson SV, Ullman A, Lamm CJ, Pauwels RA; START Investigators Group. Effects of early intervention with inhaled budesonide on lung function in newly diagnosed asthma. Chest. 2006 Jun;129(6):1478-85. doi: 10.1378/chest.129.6.1478. PMID: 16778264.
106. Lidén A, Berg A, Nedrebø T, Reed RK, Rubin K. Platelet-derived growth factor BB-mediated normalization of dermal interstitial fluid pressure after mast cell degranulation depends on beta3 but not beta1 integrins. Circ Res. 2006 Mar 17;98(5):635-41. doi: 10.1161/01.RES.0000207393.67851.d4. Epub 2006 Feb 2. PMID: 16456102.
107. Øymar K, Halvorsen T, Aksnes L. Mast cell activation and leukotriene secretion in wheezing infants. Relation to respiratory syncytial virus and outcome. Pediatr Allergy Immunol. 2006 Feb;17(1):37-42. doi: 10.1111/j.1399-3038.2005.00345.x. PMID: 16426253.
108. Aurivillius M, Øymar K, Oxelius VA. Immunoglobulin heavy G2 chain (IGHG2) gene restriction in the development of severe respiratory syncytial virus infection. Acta Paediatr. 2005 Apr;94(4):414-8. doi: 10.1111/j.1651-2227.2005.tb01910.x. PMID: 16092453.
109. Rønnestad A, Abrahamsen TG, Medbø S, Reigstad H, Lossius K, Kaaresen PI, Engelund IE, Irgens LM, Markestad T. Septicemia in the first week of life in a Norwegian national cohort of extremely premature infants. Pediatrics. 2005 Mar;115(3):e262-8. doi: 10.1542/peds.2004-1834. Epub 2005 Feb 1. PMID: 15687417.
110. Rønnestad A, Abrahamsen TG, Medbø S, Reigstad H, Lossius K, Kaaresen PI, Egeland T, Engelund IE, Irgens LM, Markestad T. Late-onset septicemia in a Norwegian national cohort of extremely premature infants receiving very early full human milk feeding. Pediatrics. 2005 Mar;115(3):e269-76. doi: 10.1542/peds.2004-1833. Epub 2005 Feb 1. PMID: 15687416.
111. Øymar K, Aksnes L. Increased levels of urinary leukotriene E4 in children with severe atopic eczema/dermatitis syndrome. Allergy. 2005 Jan;60(1):86-9. doi: 10.1111/j.1398-9995.2005.00658.x. PMID: 15575936.
112. Øymar K, Aksnes L. Urinary 9alpha,11beta-prostaglandin F(2) in children with atopic eczema/dermatitis syndrome: an indicator of mast cell activation? Acta Derm Venereol. 2004;84(5):359-62. doi: 10.1080/00015550410035515. PMID: 15370701.
113. Daltveit AK, Irgens LM, Oyen N, Skjaerven R, Markestad T, Wennergren G. Circadian variations in sudden infant death syndrome: associations with maternal smoking, sleeping position and infections. The Nordic Epidemiological SIDS Study. Acta Paediatr. 2003 Sep;92(9):1007-13. PMID: 14599060.
114. Ellingsen BB, Aase SA, Øymar K. Forebygging av respiratorisk syncytialvirus-infeksjoner med palivizumab [Prevention of respiratory syncytial virus infections with palivizumab]. Tidsskr Nor Laegeforen. 2003 Apr 3;123(7):941-3. Norwegian. PMID: 12737068.
115. Pauwels RA, Pedersen S, Busse WW, Tan WC, Chen YZ, Ohlsson SV, Ullman A, Lamm CJ, O'Byrne PM; START Investigators Group. Early intervention with budesonide in mild persistent asthma: a randomised, double-blind trial. Lancet. 2003 Mar 29;361(9363):1071-6. doi: 10.1016/S0140-6736(03)12891-7. PMID: 12672309.
116. Estil S, Kravik K, Haaskjold E, Refsum SB, Bjerknes R, Wilson G. Pilot study on the time course of apoptosis in the regenerating corneal epithelium. Acta Ophthalmol Scand. 2002 Oct;80(5):517-23. doi: 10.1034/j.1600-0420.2002.800511.x. PMID: 12390164.
117. Markestad T, Reigstad H. Screening for alloimmun trombocytopeni [Screening for alloimmune thrombocytopenia]. Tidsskr Nor Laegeforen. 2002 Feb 28;122(6):650; author reply 650-1. Norwegian. PMID: 11998723.
118. Hestholm F, Morken T, Skadberg BT, Berg A. Urticaria og angioødem hos barn [Urticaria and angioedema in children]. Tidsskr Nor Laegeforen. 2002 Feb 28;122(6):610-4. Norwegian. PMID: 11998713.
119. Øymar K. High levels of urinary eosinophil protein X in young asthmatic children predict persistent atopic asthma. Pediatr Allergy Immunol. 2001 Dec;12(6):312-7. doi: 10.1034/j.1399-3038.2001.0o080.x. PMID: 11846868.
120. Øymar K, Havnen J, Halvorsen T, Bjerknes R. Eosinophil counts and urinary eosinophil protein X in children hospitalized for wheezing during the first year of life: prediction of recurrent wheezing. Acta Paediatr. 2001 Aug;90(8):843-9. PMID: 11529528.
121. Estil S, Haaskjold E, Bjerknes R, Refsum SB. A previous abrasion in the contralateral eye influences the cell kinetics during healing of a central corneal abrasion. Acta Ophthalmol Scand. 2001 Aug;79(4):389-93. doi: 10.1034/j.1600-0420.2001.079004389.x. PMID: 11453860.
122. Skadberg BT, Berstad AK. "Snørr og øreverk"--en plage for barnet, en byrde for samfunnet ["Runny nose and earache"--a torment for the child, a burden for the community]. Tidsskr Nor Laegeforen. 2001 Apr 30;121(11):1328. Norwegian. PMID: 11419099.
123. Júlíusson PB, Bjerknes R, Søvik O, Kvistad PH. Generaliserte ødemer ved insulinbehandling av nyoppdaget diabetes mellitus [Generalized edema following insulin treatment of newly diagnosed diabetes mellitus]. Tidsskr Nor Laegeforen. 2001 Mar 20;121(8):919-20. Norwegian. PMID: 11332378.
124. Øymar K, Bjerknes R. Urinary eosinophil protein X in children with asthma: influence of atopy and airway infections. Pediatr Allergy Immunol. 2001 Feb;12(1):34-41. doi: 10.1034/j.1399-3038.2001.012001034.x. PMID: 11251863.
125. Markestad T. Tilnaerming til det akutt syke barnet [Approaching the acutely ill child]. Tidsskr Nor Laegeforen. 2001 Feb 20;121(5):608-11. Norwegian. PMID: 11301620.
126. Øymar K, Laerdal A, Bjerknes R. Soluble CD30 and CD23 in cord blood are not related to atopy in early childhood. Pediatr Allergy Immunol. 2000 Nov;11(4):220-4. doi: 10.1034/j.1399-3038.2000.00094.x. PMID: 11110575.
127. Øymar K, Bjerknes R. Urinary eosinophil protein X in children with atopic dermatitis: relation to atopy and disease activity. Allergy. 2000 Oct;55(10):964-8. doi: 10.1034/j.1398-9995.2000.00682.x. PMID: 11030379.
128. Øymar K. Bakteriell trakeitt hos barn [Bacterial tracheitis in children]. Tidsskr Nor Laegeforen. 2000 May 10;120(12):1417-9. Norwegian. PMID: 10851938.
129. Helweg-Larsen K, Lundemose JB, Oyen N, Skjaerven R, Alm B, Wennergren G, Markestad T, Irgens LM. Interactions of infectious symptoms and modifiable risk factors in sudden infant death syndrome. The Nordic Epidemiological SIDS study. Acta Paediatr. 1999 May;88(5):521-7. doi: 10.1080/08035259950169521. PMID: 10426174.
130. Frostad S, Bjerknes R, Hervig T, Nesthus I, Olweus J, Bruserud Ø Ø. Malignancy: Insulin-like Growth Factor-1 (IGF-1) is a Costimulator of the Expansion of Lineage Committed Cells Derived from Peripheral Blood Mobilized CD34+ Cells in Multiple Myeloma Patients. Hematology. 1999;4(3):217-229. PMID: 11399566.
131. Frostad S, Bjerknes R, Hervig T, Nesthus I, Olweus J, Bruserud Ø. Insulin-like Growth Factor-1 (IGF-1) is a Costimulator of the Expansion of Lineage Committed Cells Derived from Peripheral Blood Mobilized CD34(+) Cells in Multiple Myeloma Patients. Hematology. 1999;4(3):217-29. doi: 10.1080/10245332.1999.11746445. PMID: 27420550.
132. Juliusson PB, Helgason H, Thorsson AV. [Kawasaki disease in Iceland 1979-1997.]. Laeknabladid. 1999 Feb;85(2):120-94. Icelandic. PMID: 19321916.
133. Røsok BI, Brinchmann JE, Stent G, Bjerknes R, Voltersvik P, Olofsson J, Asjö B. Correlates of apoptosis of CD4+ and CD8+ T cells in tonsillar tissue in HIV type 1 infection. AIDS Res Hum Retroviruses. 1998 Dec 20;14(18):1635-43. doi: 10.1089/aid.1998.14.1635. PMID: 9870316.
134. Sandboe FD, Medin W, Bjerknes R. Toxicity of vancomycin on corneal endothelium in rabbits. Acta Ophthalmol Scand. 1998 Dec;76(6):675-8. doi: 10.1034/j.1600-0420.1998.760608.x. PMID: 9881550.
135. Vesterhus P, Holland SM, Abrahamsen TG, Bjerknes R. Familial disseminated infection due to atypical mycobacteria with childhood onset. Clin Infect Dis. 1998 Oct;27(4):822-5. doi: 10.1086/514939. PMID: 9798040.
136. Eikeset K, Markestad T. Tarminvaginasjon hjå barn i Hordaland fylke 1983-92 [Intestinal invagination in children in the county of Hordaland 1983-92]. Tidsskr Nor Laegeforen. 1998 Nov 10;118(27):4197-9. Norwegian. PMID: 9857801.
137. Frostad S, Bjerknes R, Abrahamsen JF, Olweus J, Bruserud O. Insulin-like growth factor-1 (IGF-1) has a costimulatory effect on proliferation of committed progenitors derived from human umbilical cord CD34+ cells. Stem Cells. 1998;16(5):334-42. doi: 10.1002/stem.160334. PMID: 9766813.
138. Øymar K, Bjerknes R. Is serum eosinophil cationic protein in bronchiolitis a predictor of asthma? Pediatr Allergy Immunol. 1998 Nov;9(4):204-7. doi: 10.1111/j.1399-3038.1998.tb00374.x. PMID: 9920219.
139. Vindenes HA, Ulvestad E, Bjerknes R. Concentrations of cytokines in plasma of patients with large burns: their relation to time after injury, burn size, inflammatory variables, infection, and outcome. Eur J Surg. 1998 Sep;164(9):647-56. doi: 10.1080/110241598750005525. PMID: 9728783.
140. Øymar K, Bjerknes R. Differential patterns of circulating adhesion molecules in children with bronchial asthma and acute bronchiolitis. Pediatr Allergy Immunol. 1998 May;9(2):73-9. doi: 10.1111/j.1399-3038.1998.tb00307.x. PMID: 9677602.
141. Alm B, Milerad J, Wennergren G, Skjaerven R, Oyen N, Norvenius G, Daltveit AK, Helweg-Larsen K, Markestad T, Irgens LM. A case-control study of smoking and sudden infant death syndrome in the Scandinavian countries, 1992 to 1995. The Nordic Epidemiological SIDS Study. Arch Dis Child. 1998 Apr;78(4):329-34. doi: 10.1136/adc.78.4.329. PMID: 9623395; PMCID: PMC1717534.
142. Daltveit AK, Irgens LM, Oyen N, Skjaerven R, Markestad T, Alm B, Wennergren G, Norvenius G, Helweg-Larsen K. Sociodemographic risk factors for sudden infant death syndrome: associations with other risk factors. The Nordic Epidemiological SIDS Study. Acta Paediatr. 1998 Mar;87(3):284-90. doi: 10.1080/08035259850157336. PMID: 9560035.
143. Ryan M, Murphy G, Ryan E, Nilsson L, Shackley F, Gothefors L, Øymar K, Miller E, Storsaeter J, Mills KH. Distinct T-cell subtypes induced with whole cell and acellular pertussis vaccines in children. Immunology. 1998 Jan;93(1):1-10. doi: 10.1046/j.1365-2567.1998.00401.x. PMID: 9536112; PMCID: PMC1364099.
144. Skadberg BT, Morild I, Markestad T. Abandoning prone sleeping: Effect on the risk of sudden infant death syndrome. J Pediatr. 1998 Feb;132(2):340-3. doi: 10.1016/s0022-3476(98)70456-1. PMID: 9506652.
145. Wennergren G, Alm B, Oyen N, Helweg-Larsen K, Milerad J, Skjaerven R, Norvenius SG, Lagercrantz H, Wennborg M, Daltveit AK, Markestad T, Irgens LM. The decline in the incidence of SIDS in Scandinavia and its relation to risk-intervention campaigns. Nordic Epidemiological SIDS Study. Acta Paediatr. 1997 Sep;86(9):963-8. doi: 10.1111/j.1651-2227.1997.tb15180.x. PMID: 9343276.
146. Øyen N, Markestad T, Skaerven R, Irgens LM, Helweg-Larsen K, Alm B, Norvenius G, Wennergren G. Combined effects of sleeping position and prenatal risk factors in sudden infant death syndrome: the Nordic Epidemiological SIDS Study. Pediatrics. 1997 Oct;100(4):613-21. doi: 10.1542/peds.100.4.613. PMID: 9310514.
147. Skadberg BT, Markestad T. Consequences of getting the head covered during sleep in infancy. Pediatrics. 1997 Aug;100(2):E6. doi: 10.1542/peds.100.2.e6. PMID: 9233977.
148. Øymar K, Svihus R. Diskitt hos barn. Beskrivelse av tilstanden belyst ved to pasienter [Discitis in children. Description of the condition illustrated by two case reports]. Tidsskr Nor Laegeforen. 1997 Jun 10;117(15):2184-6. Norwegian. PMID: 9235708.
149. Vindenes HA, Bjerknes R. Impaired actin polymerization and depolymerization in neutrophils from patients with thermal injury. Burns. 1997 Mar;23(2):131-6. doi: 10.1016/s0305-4179(96)00121-0. PMID: 9177879.
150. Steinsvåg SK, Bjerknes R, Berg OH. Effects of topical nasal steroids on human respiratory mucosa and human granulocytes in vitro. Acta Otolaryngol. 1996 Nov;116(6):868-75. doi: 10.3109/00016489609137943. PMID: 8973724.
151. Øymar K, Elsayed S, Bjerknes R. Serum eosinophil cationic protein and interleukin-5 in children with bronchial asthma and acute bronchiolitis. Pediatr Allergy Immunol. 1996 Nov;7(4):180-6. doi: 10.1111/j.1399-3038.1996.tb00130.x. PMID: 9151339.
152. Røsok BI, Bostad L, Voltersvik P, Bjerknes R, Olofsson J, Asjö B, Brinchmann JE. Reduced CD4 cell counts in blood do not reflect CD4 cell depletion in tonsillar tissue in asymptomatic HIV-1 infection. AIDS. 1996 Sep;10(10):F35-8. PMID: 8874620.
153. Røsok B, Voltersvik P, Bjerknes R, Axelsson M, Haaheim LR, Asjö B. Dynamics of HIV-1 replication following influenza vaccination of HIV+ individuals. Clin Exp Immunol. 1996 May;104(2):203-7. doi: 10.1046/j.1365-2249.1996.25732.x. Erratum in: Clin Exp Immunol 1996 Sep;105(3):561. PMID: 8625509; PMCID: PMC2200426.
154. Vindenes H, Bjerknes R. Microbial colonization of large wounds. Burns. 1995 Dec;21(8):575-9. doi: 10.1016/0305-4179(95)00047-f. PMID: 8747728.
155. Vindenes H, Ulvestad E, Bjerknes R. Increased levels of circulating interleukin-8 in patients with large burns: relation to burn size and sepsis. J Trauma. 1995 Oct;39(4):635-40. doi: 10.1097/00005373-199510000-00003. PMID: 7473946.
156. Bjerknes R, Aarskog D. Priming of human polymorphonuclear neutrophilic leukocytes by insulin-like growth factor I: increased phagocytic capacity, complement receptor expression, degranulation, and oxidative burst. J Clin Endocrinol Metab. 1995 Jun;80(6):1948-55. doi: 10.1210/jcem.80.6.7775645. PMID: 7775645.
157. Øyen N, Irgens LM, Skjaerven R, Morild I, Markestad T, Rognum TO. Secular trends of sudden infant death syndrome in Norway 1967-1988: application of a method of case identification to Norwegian registry data. Paediatr Perinat Epidemiol. 1994 Jul;8(3):263-81. doi: 10.1111/j.1365-3016.1994.tb00460.x. PMID: 7997403.
158. Øymar K, Fluge G, Rosendahl K. Residiverende abdominalsmerter. En prospektiv undersøkelse av 68 barn [Recurrent abdominal pain. A prospective study of 68 children]. Tidsskr Nor Laegeforen. 1993 Aug 30;113(20):2566-8. Norwegian. PMID: 8236176.
159. Reigstad H, Bjerknes R, Markestad T, Myrmel H. Ganciclovir therapy of congenital cytomegalovirus disease. Acta Paediatr. 1992 Sep;81(9):707-8. doi: 10.1111/j.1651-2227.1992.tb12341.x. PMID: 1330115.
160. Markestad T, Grønlie I. Propylenglykol i medikamenter. Risiko for spedbarn? [Propylene glycol in drugs. Risk for infants?]. Tidsskr Nor Laegeforen. 1992 Jan 20;112(2):260. Norwegian. PMID: 1566269.
161. Moster D. Epidermolysis bullosa gravis Herlitz. En utfordring for en barneavdeling [Epidermolysis bullosa gravis Herlitz. A challenge for a pediatric department]. Tidsskr Nor Laegeforen. 1991 Nov 30;111(29):3499-501. Norwegian. PMID: 1796434.
162. Haram K, Markestad T, Haukenes G. Herpes genitalis i svangerskapet. Tid for nye tilrådinger? [Genital herpes in pregnancy. Time for new advice?]. Tidsskr Nor Laegeforen. 1990 Jan 20;110(2):225-7. Norwegian. PMID: 2300960.
163. Reigstad H, Markestad T, Gjengstø H. Behandling av alvorleg septikemi og meningitt hos småborn [Treatment of severe septicemia and meningitis in children]. Tidsskr Nor Laegeforen. 1988 Aug 30;108(24):1925-7. Norwegian. PMID: 3206407.
164. Myrmel H, Haram K, Markestad T. Infeksjoner hos gravide og nyfødte forårsaket av cytomegalovirus [Infections in pregnant women and newborn infants caused by cytomegaloviruses]. Tidsskr Nor Laegeforen. 1987 Mar 20;107(8):730-1. Norwegian. PMID: 3033840.
165. Quinn PA, Gillan JE, Markestad T, St John MA, Daneman A, Lie KI, Li HC, Czegledy-Nagy E, Klein A. Intrauterine infection with Ureaplasma urealyticum as a cause of fatal neonatal pneumonia. Pediatr Infect Dis. 1985 Sep-Oct;4(5):538-43. doi: 10.1097/00006454-198509000-00020. PMID: 3900948.
166. Markestad T, Finne PH, Digranes A. Infeksjoner hos spedbarn forårsaket av gruppe B-streptokokker [Neonatal infections caused by Group B streptococci]. Tidsskr Nor Laegeforen. 1981 Aug 10;101(22):1187-9. Norwegian. PMID: 7025345

Peer review publications:

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2. Strøm M, Wilcox AJ, Tollånes M, Lie RT, Forthun I, Strandberg-Larsen K, Moster D. Value of caregivers report at six months of age in predicting cerebral palsy - A prospective cohort study. Early Hum Dev. 2026 Jan 27:106494. doi: 10.1016/j.earlhumdev.2026.106494. Epub ahead of print. PMID: 41741287.
3. Pedersen MV, Lindhard MS, Moster D, Lie RT, Henriksen TB. Cerebral Palsy Risk by Combined Apgar Score and Umbilical Cord Blood pH Levels. JAMA Netw Open. 2026 Feb 2;9(2):e2559359. doi: 10.1001/jamanetworkopen.2025.59359. PMID: 41706451; PMCID: PMC12917687.
4. Ebbing C, Halmoy A, Jauniaux E, Einum A, Rasmussen S, Moster D. Association between isolated single umbilical artery and neurodevelopmental disorders: population-based study. Ultrasound Obstet Gynecol. 2026 Feb;67(2):175-182. doi: 10.1002/uog.70164. Epub 2026 Jan 17. PMID: 41546561.
5. Lappegård J, Lyeng UB, Støen R, Moster D, Vatne A, Nordvik T, Eriksen BH, Fagerli I, Rønnestad AE, Klingenberg C. Neonatal Seizures Were Associated With Higher Mortality, Epilepsy and Cerebral Palsy in Term-Born Children up to 5 Years of Age. Acta Paediatr. 2026 Jan 29. doi: 10.1111/apa.70463. Epub ahead of print. PMID: 41609421.
6. Lygre RB, Andersen JR, Gjestad R, Helgeland H, Greve G, Elgen IB. Paediatric Patients With Multiple Referrals and Complex Health Complaints Experienced Notable Functional Impairment. Acta Paediatr. 2026 Jan;115(1):107-116. doi: 10.1111/apa.70278. Epub 2025 Aug 22. PMID: 40844178; PMCID: PMC12687709.
7. Lie RT, Fadum EA, Moster D, Wilcox AJ, Strand LA, Strand P, Håberg SE. Prenatal exposure to the Chernobyl fallout in Norway and cognitive abilities among conscripts. Scand J Public Health. 2026 Jan 18:14034948251410496. doi: 10.1177/14034948251410496. Epub ahead of print. PMID: 41549393.
8. Pedersen MV, Lindhard MS, Moster D, Lie RT, Henriksen TB. Umbilical Cord Blood pH Level, Apgar Score, and Attention-Deficit/Hyperactivity Disorder. JAMA Netw Open. 2026 Jan 2;9(1):e2554672. doi: 10.1001/jamanetworkopen.2025.54672. PMID: 41587031; PMCID: PMC12836134.
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10. Moster D, Wilcox AJ, Lie RT. What Is the Safest Population-Level Caesarean Delivery Rate? A National Cohort Study Using Natural Variation. BJOG. 2025 Nov;132(12):1781-1788. doi: 10.1111/1471-0528.18301. Epub 2025 Jul 14. PMID: 40654044; PMCID: PMC12358162.
11. Karlsen G, Elgen IB, Døsen KE, Lundervold AJ. Feasibility of the Test of Variables of Attention (TOVA) and its relationship to intellectual function in children and adolescents with borderline intellectual functioning: A Norwegian mental health study. Child Neuropsychol. 2025 Oct 13:1-16. doi: 10.1080/09297049.2025.2570298. Epub ahead of print. PMID: 41084139.
12. Henning O, Andersen NB, Asztely F, Ben-Menachem E, Gauffin H, Gerstner T, Gordon L, Hikmat O, Ingebrigtsen S, Kolbjer S, Kostov H, Lamusuo S, Lillebø A, Lundgren J, Marjanovic D, Metsähonkala L, Olofsson K, Roivainen R, Sabers A, Tingvoll SH, Tsiropoulos I, Boström M, Peltola J. Programming in Vagus nerve stimulation therapy: Consensus from a Nordic Delphi Panel. Seizure. 2025 Sep;131:423-434. doi: 10.1016/j.seizure.2025.08.014. Epub 2025 Aug 13. PMID: 40845814.
13. Stangenes KM, Hysing M, Vollsæter M, Elgen IB, Markestad T, Bjorvatn B. Sleep problems from age two to five years and neurological outcome in children born extremely preterm: a cross-sectional study. Front Pediatr. 2025 Jul 9;13:1562630. doi: 10.3389/fped.2025.1562630. PMID: 40726904; PMCID: PMC12301982.
14. Peterson BS, Delavari S, Sadik J, Ersland L, Elgen IB, Sawardekar S, Bansal R, Aukland SM. Brain tissue microstructure in a prospective, longitudinal, population-based cohort of preterm and term-born young adults. J Child Psychol Psychiatry. 2025 May;66(5):635-649. doi: 10.1111/jcpp.14069. Epub 2024 Nov 19. PMID: 39561978; PMCID: PMC12018296.
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19. Hepsø SW, Lee M, Noszka K, Wollertsen YM, Holmaas G, Kristensen E, Eichele T, Bjork MH, Griffiths ST, Hikmat O. Refractory and super-refractory status epilepticus in children and adolescents: A population-based study. Seizure. 2024 Aug;120:116-123. doi: 10.1016/j.seizure.2024.06.023. Epub 2024 Jun 24. PMID: 38941802.
20. Syversen AM, Schønning V, Fjellheim GS, Elgen I, Wergeland GJ. Evaluation of dialectical behavior therapy for adolescents in routine clinical practice: a pre-post study. BMC Psychiatry. 2024 Jun 14;24(1):447. doi: 10.1186/s12888-024-05876-z. PMID: 38877441; PMCID: PMC11177375.
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23. Kodal A, Muirhead F, Reilly JJ, Wergeland GJ, Thorsen PJB, Bovim LP, Elgen IB. Feasibility of a physical activity intervention for children and adolescents with anxiety and depression. Pilot Feasibility Stud. 2024 Mar 5;10(1):49. doi: 10.1186/s40814-024-01466-8. PMID: 38443992; PMCID: PMC10913538.
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25. Mancuso M, Papadopoulou MT, Ng YS, Ardissone A, Bellusci M, Bertini E, Di Vito L, Evangelista T, Fons C, Hikmat O, Horvath R, Klopstock T, Kornblum C, Lamperti C, Licchetta L, Molnar MJ, Varhaug KN, O'Callaghan M, Pressler RM, Schiff M, Servidei S, Szabo N, Gorman GS, Cross JH, Rahman S. Management of seizures in patients with primary mitochondrial diseases: consensus statement from the InterERNs Mitochondrial Working Group. Eur J Neurol. 2024 Jul;31(7):e16275. doi: 10.1111/ene.16275. Epub 2024 Apr 4. PMID: 38576261.
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27. Benestad MR, Drageset J, Vollsæter M, Hufthammer KO, Halvorsen T, Vederhus BJ. Health-related quality of life in two birth cohorts of extremely preterm born adults. Acta Paediatr. 2024 Jun;113(6):1288-1297. doi: 10.1111/apa.17146. Epub 2024 Feb 14. PMID: 38353348.
28. Kodal A, Muirhead F, Reilly JJ, Wergeland GJ, Thorsen PJB, Bovim LP, Elgen IB. Feasibility of a physical activity intervention for children and adolescents with anxiety and depression. Pilot Feasibility Stud. 2024 Mar 5;10(1):49. doi: 10.1186/s40814-024-01466-8. PMID: 38443992; PMCID: PMC10913538.
29. Lygre RB, Gjestad R, Norekvål TM, Mercer SW, Elgen IB. An interdisciplinary intervention for children and adolescents with multiple referrals and complex health complaints: a feasibility study. BMC Health Serv Res. 2023 Nov 11;23(1):1241. doi: 10.1186/s12913-023-10250-y. PMID: 37951903; PMCID: PMC10638682.
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13. Leversen KT, Sommerfelt K, Rønnestad A, Kaaresen PI, Farstad T, Skranes J, Støen R, Elgen IB, Rettedal S, Eide GE, Irgens LM, Markestad T. Predicting neurosensory disabilities at two years of age in a national cohort of extremely premature infants. Early Hum Dev. 2010 Sep;86(9):581-6. doi: 10.1016/j.earlhumdev.2010.07.009. Epub 2010 Aug 30. PMID: 20800392.
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15. Odberg MD, Sommerfelt K, Markestad T, Elgen IB. Growth and somatic health until adulthood of low birthweight children. Arch Dis Child Fetal Neonatal Ed. 2010 May;95(3):F201-5. doi: 10.1136/adc.2009.160614. PMID: 20444812.
16. Markestad T. Legen som sakkyndig [Physician as expert]. Tidsskr Nor Laegeforen. 2010 Feb 25;130(4):408. Norwegian. doi: 10.4045/tidsskr.10.0140. PMID: 20220870.
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18. Helgeland H, Flagstad G, Grøtta J, Vandvik PO, Kristensen H, Markestad T. Diagnosing pediatric functional abdominal pain in children (4-15 years old) according to the Rome III Criteria: results from a Norwegian prospective study. J Pediatr Gastroenterol Nutr. 2009 Sep;49(3):309-15. doi: 10.1097/MPG.0b013e31818de3ab. PMID: 19525874.
19. Westby Wold SH, Sommerfelt K, Reigstad H, Rønnestad A, Medbø S, Farstad T, Kaaresen PI, Støen R, Leversen KT, Irgens LM, Markestad T. Neonatal mortality and morbidity in extremely preterm small for gestational age infants: a population based study. Arch Dis Child Fetal Neonatal Ed. 2009 Sep;94(5):F363-7. doi: 10.1136/adc.2009.157800. Epub 2009 May 12. PMID: 19439434.
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21. Hysing M, Sivertsen B, Stormark KM, Elgen I, Lundervold AJ. Sleep in children with chronic illness, and the relation to emotional and behavioral problems--a population-based study. J Pediatr Psychol. 2009 Jul;34(6):665-70. doi: 10.1093/jpepsy/jsn095. Epub 2008 Sep 11. PMID: 18786977.
22. Hysing M, Elgen I, Gillberg C, Lundervold AJ. Emotional and behavioural problems in subgroups of children with chronic illness: results from a large-scale population study. Child Care Health Dev. 2009 Jul;35(4):527-33. doi: 10.1111/j.1365-2214.2009.00967.x. Epub 2009 Mar 23. PMID: 19323670.
23. Markestad T. Leger i krig [Physicians in war]. Tidsskr Nor Laegeforen. 2009 Mar 26;129(7):650. Norwegian. doi: 10.4045/tidsskr.09.0311. PMID: 19337348.
24. Markestad T. Bruk av datasettet "The Visible Human Project" i forskning [Use of the dataset "The Visible Human Project" in research]. Tidsskr Nor Laegeforen. 2009 Mar 12;129(6):529-30. Norwegian. doi: 10.4045/tidsskr.08.0534. PMID: 19282890.
25. Sandtorv L, Reigstad H, Bruarøy S, Elgen I, Laegreid LM. Har legemiddelassistert rehabilitering i svangerskapet konsekvenser for barna? [Substitution treatment of drug addicts during pregnancy: consequences for the children?]. Tidsskr Nor Laegeforen. 2009 Feb 12;129(4):287-90. Norwegian. doi: 10.4045/tidsskr.09.33335. PMID: 19219093.
26. Markestad T. Intervensjon når det allerede er for sent? [Intervention when it's already too late?]. Tidsskr Nor Laegeforen. 2008 Nov 20;128(22):2618; author reply 2618-9. Norwegian. PMID: 19023363.
27. Moster D, Lie RT, Markestad T. Long-term medical and social consequences of preterm birth. N Engl J Med. 2008 Jul 17;359(3):262-73. doi: 10.1056/NEJMoa0706475. PMID: 18635431.
28. Høie B, Sommerfelt K, Waaler PE, Alsaker FD, Skeidsvoll H, Mykletun A. The combined burden of cognitive, executive function, and psychosocial problems in children with epilepsy: a population-based study. Dev Med Child Neurol. 2008 Jul;50(7):530-6. doi: 10.1111/j.1469-8749.2008.03015.x. PMID: 18611204.
29. Elgen I, Bruarøy S, Laegreid LM. Complexity of foetal alcohol or drug neuroimpairments. Acta Paediatr. 2007 Dec;96(12):1730-3. doi: 10.1111/j.1651-2227.2007.00522.x. Epub 2007 Oct 30. PMID: 17971190.
30. Hysing M, Elgen I, Gillberg C, Lie SA, Lundervold AJ. Chronic physical illness and mental health in children. Results from a large-scale population study. J Child Psychol Psychiatry. 2007 Aug;48(8):785-92. doi: 10.1111/j.1469-7610.2007.01755.x. PMID: 17683450.
31. Miljeteig I, Markestad T, Norheim OF. Physicians' use of guidelines and attitudes to withholding and withdrawing treatment for extremely premature neonates in Norway. Acta Paediatr. 2007 Jun;96(6):825-9. doi: 10.1111/j.1651-2227.2007.00309.x. PMID: 17537010.
32. Elgen I, Bruarøy S, Laegreid LM. Lack of recognition and complexity of foetal alcohol neuroimpairments. Acta Paediatr. 2007 Feb;96(2):237-41. doi: 10.1111/j.1651-2227.2007.00026.x. PMID: 17429912.
33. Kashala E, Lundervold A, Sommerfelt K, Tylleskär T, Elgen I. Co-existing symptoms and risk factors among African school children with hyperactivity-inattention symptoms in Kinshasa, Congo. Eur Child Adolesc Psychiatry. 2006 Aug;15(5):292-9. doi: 10.1007/s00787-006-0536-5. Epub 2006 Mar 31. PMID: 16583124.
34. Bindoff LA, Mjellem N, Sommerfelt K, Krossnes BK, Roberts F, Krohn J, Tranheim RS, Haggerty ID. Severe fascioscapulohumeral muscular dystrophy presenting with Coats' disease and mental retardation. Neuromuscul Disord. 2006 Oct;16(9-10):559-63. doi: 10.1016/j.nmd.2006.06.012. Epub 2006 Aug 28. PMID: 16935506.
35. Høie B, Mykletun A, Waaler PE, Skeidsvoll H, Sommerfelt K. Executive functions and seizure-related factors in children with epilepsy in Western Norway. Dev Med Child Neurol. 2006 Jun;48(6):519-25. doi: 10.1017/S0012162206001095. PMID: 16700947.
36. Høie B, Sommerfelt K, Waaler PE, Alsaker FD, Skeidsvoll H, Mykletun A. Psychosocial problems and seizure-related factors in children with epilepsy. Dev Med Child Neurol. 2006 Mar;48(3):213-9. doi: 10.1017/S0012162206000454. PMID: 16483398.
37. Versland LB, Sommerfelt K, Elgen I. Maternal signs of chorioamnionitis: persistent cognitive impairment in low-birthweight children. Acta Paediatr. 2006 Feb;95(2):231-5. doi: 10.1080/08035250500352151. PMID: 16449032.
38. Enger PØ, Svendsen F, Sommerfelt K, Wester K. Shunt revisions in children--can they be avoided? Experiences from a population-based study. Pediatr Neurosurg. 2005 Nov-Dec;41(6):300-4. doi: 10.1159/000088732. PMID: 16293949.
39. Kashala E, Elgen I, Sommerfelt K, Tylleskär T, Lundervold A. Cognition in African children with attention-deficit hyperactivity disorder. Pediatr Neurol. 2005 Nov;33(5):357-64. doi: 10.1016/j.pediatrneurol.2005.05.013. PMID: 16243224.
40. Elgen I, Johansson KA, Markestad T, Sommerfelt K. A non-handicapped cohort of low-birthweight children: growth and general health status at 11 years of age. Acta Paediatr. 2005 Sep;94(9):1203-7. doi: 10.1111/j.1651-2227.2005.tb02075.x. PMID: 16278985.
41. Moster D, Lie RT, Markestad T. Fornuft og følelser i fødselsomsorgen [Sense and sensibility in delivery care]. Tidsskr Nor Laegeforen. 2005 Oct 20;125(20):2818-20. Norwegian. PMID: 16244692.
42. Kashala E, Tylleskar T, Elgen I, Kayembe KT, Sommerfelt K. Attention deficit and hyperactivity disorder among school children in Kinshasa, Democratic Republic of Congo. Afr Health Sci. 2005 Sep;5(3):172-81. doi: 10.5555/afhs.2005.5.3.172. PMID: 16245986; PMCID: PMC1831926.
43. Kashala E, Elgen I, Sommerfelt K, Tylleskar T. Teacher ratings of mental health among school children in Kinshasa, Democratic Republic of Congo. Eur Child Adolesc Psychiatry. 2005 Jul;14(4):208-15. doi: 10.1007/s00787-005-0446-y. PMID: 15981132.
44. Markestad T, Kaaresen PI, Rønnestad A, Reigstad H, Lossius K, Medbø S, Zanussi G, Engelund IE, Skjaerven R, Irgens LM; Norwegian Extreme Prematurity Study Group. Early death, morbidity, and need of treatment among extremely premature infants. Pediatrics. 2005 May;115(5):1289-98. doi: 10.1542/peds.2004-1482. PMID: 15867037.
45. Høie B, Mykletun A, Sommerfelt K, Bjørnaes H, Skeidsvoll H, Waaler PE. Seizure-related factors and non-verbal intelligence in children with epilepsy. A population-based study from Western Norway. Seizure. 2005 Jun;14(4):223-31. doi: 10.1016/j.seizure.2004.10.006. PMID: 15893478.
46. Waaler PE, Sommerfelt K. Barnenevrologi og habilitering i Norge [Paediatric neurology and habilitation in Norway]. Tidsskr Nor Laegeforen. 2004 Oct 7;124(19):2486-7. Norwegian. PMID: 15477886.
47. Elgen I, Lundervold AJ, Sommerfelt K. Aspects of inattention in low birth weight children. Pediatr Neurol. 2004 Feb;30(2):92-8. doi: 10.1016/S0887-8994(03)00402-8. PMID: 14984899.
48. Elgen I, Sommerfelt K, Ellertsen B. Cognitive performance in a low birth weight cohort at 5 and 11 years of age. Pediatr Neurol. 2003 Aug;29(2):111-6. doi: 10.1016/s0887-8994(03)00211-x. PMID: 14580653.
49. Elgen I, Sommerfelt K, Markestad T. Population based, controlled study of behavioural problems and psychiatric disorders in low birthweight children at 11 years of age. Arch Dis Child Fetal Neonatal Ed. 2002 Sep;87(2):F128-32. doi: 10.1136/fn.87.2.f128. PMID: 12193521; PMCID: PMC1721443.
50. Elgen I, Sommerfelt K. Low birthweight children: coping in school? Acta Paediatr. 2002;91(8):939-45. doi: 10.1080/080352502760148676. PMID: 12222719.
51. Sommerfelt K, Sonnander K, Skranes J, Andersson HW, Ahlsten G, Ellertsen B, Markestad T, Jacobsen G, Hoffman HJ, Bakketeig LS. Neuropsychologic and motor function in small-for-gestation preschoolers. Pediatr Neurol. 2002 Mar;26(3):186-91. doi: 10.1016/s0887-8994(01)00381-2. PMID: 11955924.
52. Moster D, Lie RT, Markestad T. Joint association of Apgar scores and early neonatal symptoms with minor disabilities at school age. Arch Dis Child Fetal Neonatal Ed. 2002 Jan;86(1):F16-21. doi: 10.1136/fn.86.1.f16. PMID: 11815542; PMCID: PMC1721350.
53. Sommerfelt K, Andersson HW, Sonnander K, Ahlsten G, Ellertsen B, Markestad T, Jacobsen G, Bakketeig LS. Behavior in term, small for gestational age preschoolers. Early Hum Dev. 2001 Dec;65(2):107-21. doi: 10.1016/s0378-3782(01)00200-6. PMID: 11641032.
54. Andersson HW, Sommerfelt K. The relationship between cognitive abilities and maternal ratings of externalizing behaviors in preschool children. Scand J Psychol. 2001 Dec;42(5):437-44. doi: 10.1111/1467-9450.00256. PMID: 11771813.
55. Sommerfelt K, Markestad T, Berg K, Saetesdal I. Therapeutic electrical stimulation in cerebral palsy: a randomized, controlled, crossover trial. Dev Med Child Neurol. 2001 Sep;43(9):609-13. doi: 10.1017/s0012162201001104. PMID: 11570629.
56. Moster D, Lie RT, Irgens LM, Bjerkedal T, Markestad T. The association of Apgar score with subsequent death and cerebral palsy: A population-based study in term infants. J Pediatr. 2001 Jun;138(6):798-803. doi: 10.1067/mpd.2001.114694. PMID: 11391319.
57. Sommerfelt K. Cerebral parese--forekomst og tolking [Cerebral paresis--occurrence and diagnosis]. Tidsskr Nor Laegeforen. 2001 Oct 20;121(25):2916. Norwegian. PMID: 11715772.
58. Reigstad H, Markestad T. Behandling av ekstremt premature born--kva grenser og kva problem? [Treatment of extremely premature infants--which limits and what problems?]. Tidsskr Nor Laegeforen. 2001 Feb 28;121(6):711-4. Norwegian. PMID: 11293356.
59. Pedersen SJ, Sommerfelt K, Markestad T. Early motor development of premature infants with birthweight less than 2000 grams. Acta Paediatr. 2000 Dec;89(12):1456-61. doi: 10.1080/080352500456642. PMID: 11195236.
60. Olafsdottir E, Forshei S, Fluge G, Markestad T. Randomised controlled trial of infantile colic treated with chiropractic spinal manipulation. Arch Dis Child. 2001 Feb;84(2):138-41. doi: 10.1136/adc.84.2.138. PMID: 11159288; PMCID: PMC1718650.
61. Sommerfelt K, Andersson HW, Sonnander K, Ahlsten G, Ellertsen B, Markestad T, Jacobsen G, Hoffman HJ, Bakketeig L. Cognitive development of term small for gestational age children at five years of age. Arch Dis Child. 2000 Jul;83(1):25-30. doi: 10.1136/adc.83.1.25. PMID: 10868995; PMCID: PMC1718382.
62. Olafsen KS, Sommerfelt K. The Yale Children's Inventory--a screening tool for attention deficits and related disorders. Normative data for boys. Scand J Psychol. 1999 Jun;40(2):121-5. doi: 10.1111/1467-9450.00108. PMID: 10399494.
63. Andersson HW, Sonnander K, Sommerfelt K. Gender and its contribution to the prediction of cognitive abilities at 5 years. Scand J Psychol. 1998 Dec;39(4):267-74. doi: 10.1111/1467-9450.00086. PMID: 9883102.
64. Markestad T. Unge uføre [Young disabled]. Tidsskr Nor Laegeforen. 1998 Jun 10;118(15):2304. Norwegian. PMID: 9691794.
65. Sommerfelt K, Markestad T, Ellertsen B. Neuropsychological performance in low birth weight preschoolers: a population-based, controlled study. Eur J Pediatr. 1998 Jan;157(1):53-8. doi: 10.1007/s004310050766. PMID: 9461364.
66. Sommerfelt K. Long-term outcome for non-handicapped low birth weight infants--is the fog clearing? Eur J Pediatr. 1998 Jan;157(1):1-3. doi: 10.1007/s004310050755. PMID: 9461353.
67. Vik T, Vatten L, Markestad T, Jacobsen G, Bakketeig LS. Dubowitz assessment of gestational age and agreement with prenatal methods. Am J Perinatol. 1997 Jul;14(6):369-73. doi: 10.1055/s-2007-994163. PMID: 9217961.
68. Haugen OH, Markestad T. Incidence of retinopathy of prematurity (ROP) in the western part of Norway. A population-based retrospective study. Acta Ophthalmol Scand. 1997 Jun;75(3):305-7. doi: 10.1111/j.1600-0420.1997.tb00780.x. PMID: 9253981.
69. Markestad T. Use of sucrose as a treatment for infant colic. Arch Dis Child. 1997 Apr;76(4):356-7; discussion 357-8. doi: 10.1136/adc.76.4.356. PMID: 9166032; PMCID: PMC1717160.
70. Skadberg BT, Markestad T. Behaviour and physiological responses during prone and supine sleep in early infancy. Arch Dis Child. 1997 Apr;76(4):320-4. doi: 10.1136/adc.76.4.320. PMID: 9166023; PMCID: PMC1717149.
71. Sommerfelt K, Pedersen S, Ellertsen B, Markestad T. Transient dystonia in non-handicapped low-birthweight infants and later neurodevelopment. Acta Paediatr. 1996 Dec;85(12):1445-9. doi: 10.1111/j.1651-2227.1996.tb13950.x. PMID: 9001656.
72. Skadberg BT, Markestad T. Infant behaviour in response to a change in body position from side to prone during sleep. Eur J Pediatr. 1996 Dec;155(12):1052-6. doi: 10.1007/BF02532530. PMID: 8956944.
73. Sommerfelt K, Troland K, Ellertsen B, Markestad T. Behavioral problems in low-birthweight preschoolers. Dev Med Child Neurol. 1996 Oct;38(10):927-40. doi: 10.1111/j.1469-8749.1996.tb15049.x. PMID: 8870614.
74. Andersson HW, Sommerfelt K, Sonnander K, Ahlsten G. Maternal child-rearing attitudes, IQ, and socioeconomic status as related to cognitive abilities of five-year-old children. Psychol Rep. 1996 Aug;79(1):3-14. doi: 10.2466/pr0.1996.79.1.3. PMID: 8873781.
75. Vik T, Vatten L, Markestad T, Ahlsten G, Jacobsen G, Bakketeig LS. Morbidity during the first year of life in small for gestational age infants. Arch Dis Child Fetal Neonatal Ed. 1996 Jul;75(1):F33-7. doi: 10.1136/fn.75.1.f33. PMID: 8795353; PMCID: PMC1061147.
76. Sommerfelt K, Ellertsen B, Markestad T. Low birthweight and neuromotor development: a population based, controlled study. Acta Paediatr. 1996 May;85(5):604-10. doi: 10.1111/j.1651-2227.1996.tb14096.x. PMID: 8827107.
77. Markestad T, Irgens LM. Mageleie og krybbedød [Prone position and crib death]. Tidsskr Nor Laegeforen. 1995 Nov 20;115(28):3480-1. Norwegian. PMID: 7491596.
78. Sommerfelt K, Ellertsen B, Markestad T. Parental factors in cognitive outcome of non-handicapped low birthweight infants. Arch Dis Child Fetal Neonatal Ed. 1995 Nov;73(3):F135-42. doi: 10.1136/fn.73.3.f135. PMID: 8535868; PMCID: PMC2528464.
79. Skadberg BT, Oterhals A, Finborud K, Markestad T. CO2 rebreathing: a possible contributory factor to some cases of sudden infant death? Acta Paediatr. 1995 Sep;84(9):988-95. doi: 10.1111/j.1651-2227.1995.tb13813.x. PMID: 8652973.
80. Irgens LM, Markestad T, Baste V, Schreuder P, Skjaerven R, Øyen N. Sleeping position and sudden infant death syndrome in Norway 1967-91. Arch Dis Child. 1995 Jun;72(6):478-82. doi: 10.1136/adc.72.6.478. PMID: 7618929; PMCID: PMC1511132.
81. Markestad T, Skadberg B, Hordvik E, Morild I, Irgens LM. Sleeping position and sudden infant death syndrome (SIDS): effect of an intervention programme to avoid prone sleeping. Acta Paediatr. 1995 Apr;84(4):375-8. doi: 10.1111/j.1651-2227.1995.tb13653.x. PMID: 7795344.
82. Sommerfelt K, Markestad T. Fødselen og barnets hjerne [Delivery and the infant's brain]. Tidsskr Nor Laegeforen. 1994 Jan 10;114(1):15-6. Norwegian. PMID: 8296274.
83. Sommerfelt K, Ellertsen B, Markestad T. Personality and behaviour in eight-year-old, non-handicapped children with birth weight under 1500 g. Acta Paediatr. 1993 Sep;82(9):723-8. doi: 10.1111/j.1651-2227.1993.tb12546.x. PMID: 8241666.
84. Köhler L, Markestad T. Consensus statement on prevention program for SIDS. Acta Paediatr Suppl. 1993 Jun;82 Suppl 389:126-7. doi: 10.1111/j.1651-2227.1993.tb12899.x. PMID: 8374181.
85. Markestad T. Information about sudden infant death syndrome for the general public. Acta Paediatr Suppl. 1993 Jun;82 Suppl 389:124-5. doi: 10.1111/j.1651-2227.1993.tb12898.x. PMID: 8374180.
86. Markestad T. Smerter hos spedbarn [Pain in infants]. Tidsskr Nor Laegeforen. 1992 Nov 10;112(27):3421. Norwegian. PMID: 1462305.
87. Markestad T. Sovestilling og krybbedød i Norge [Sleeping position and crib death in Norway]. Tidsskr Nor Laegeforen. 1992 Apr 30;112(11):1427-9. Norwegian. PMID: 1631812.
88. Kyllerman M, Sommerfelt K, Hedström A, Wennergren G, Holmgren D. Clinical and neurophysiological development of Unverricht-Lundborg disease in four Swedish siblings. Epilepsia. 1991 Nov-Dec;32(6):900-9. doi: 10.1111/j.1528-1157.1991.tb05549.x. PMID: 1743164.
89. Haugen OH, Seland JH, Sommerfelt K, Waaler PE. Diagnostikk av Spielmeyer-Vogts sykdom. Elektronmikroskopi av konjunktivalbiopsi [Diagnosis of Spielmayer-Vogt disease. Electron microscopy of conjunctival biopsy]. Tidsskr Nor Laegeforen. 1991 Aug 10;111(18):2265-6. Norwegian. PMID: 1896981.
90. Sommerfelt K, Kyllerman M, Sanner G. Hereditary spastic paraplegia with epileptic myoclonus. Acta Neurol Scand. 1991 Aug;84(2):157-60. doi: 10.1111/j.1600-0404.1991.tb04925.x. PMID: 1950452.
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Peer review publications:

1. Kristensen E, Naess K, Engvall M, Klingenberg C, Rasmussen M, Brodtkorb E, Ostergaard E, de Coo I, Pias-Peleteiro L, Isohanni P, Uusimaa J, Majamaa K, Kärppä M, Martikainen MH, Ortigoza-Escobar JD, Tangeraas T, Berland S, Sue CM, Walker JS, Harrison E, Biggs H, Horvath R, Darin N, Rahman S, Hikmat O. Liver Involvement in POLG Disease-a Multicentre Cohort Study of 202 Patients. J Inherit Metab Dis. 2025 Nov;48(6):e70112. doi: 10.1002/jimd.70112. PMID: 41239934.
2. Lindroos JLV, Bjørk MH, Cohen JM, Danielsson KC, Hikmat O, Hoff JM, Gilhus NE. Obstetric and Neonatal Outcomes in Patients With Maternal Myasthenia Gravis: A Nationwide Cohort Study. Neurology. 2025 Oct 21;105(8):e214139. doi: 10.1212/WNL.0000000000214139. Epub 2025 Sep 30. PMID: 41026991.
3. Heggem IM, Soto GW, Guthe HJ, Hikmat O. The impact of imposter phenomenon: an unmet need in the education of healthcare personnel- a cross-sectional study. BMC Med Educ. 2025 Nov 21;25(1):1745. doi: 10.1186/s12909-025-08349-3. PMID: 41272718; PMCID: PMC12752308.
4. Hammer S, Toussaint M, Kvidaland H, Røksund OD, Hansen BH, Bovim LP, Steene-Johannessen J, Hufthammer KO, Vollsæter M, Andersen T. Physical Activity and Sedentary Behavior in Norwegian Boys With Duchenne Muscular Dystrophy: A Cross-Sectional Study. Muscle Nerve. 2025 Jul;72(1):82-92. doi: 10.1002/mus.28418. Epub 2025 Apr 27. PMID: 40289518.
5. Jacobsen KK, Kristiansen H, Gundersen T, Lie SA, Rosendahl K, Laborie LB. The epidemiology of hip dysplasia in the nationwide Norwegian Mother, Father, and Child Cohort Study. Bone Joint J. 2025 Jul 1;107-B(7):761-768. doi: 10.1302/0301-620X.107B7.BJJ-2024-1555.R1. PMID: 40588261.
6. Varhaug KN, Aanestad E, Holmaas G, Wollertsen YM, Berland S, Veiby G, Eichele T, Bjørk MH, Rahman S, Hikmat O. The impact of induced burst suppression on outcomes in patients with POLG-related status epilepticus. Seizure. 2025 May 23:S1059-1311(25)00118-9. doi: 10.1016/j.seizure.2025.05.004. Epub ahead of print. PMID: 40461324.
7. Neugebauer J, Reinson K, Bellusci M, Park JH, Hikmat O, Bertini E, Schiff M; MetabERN PM‐MD Consortium authors; Rahman S. Current global vitamin and cofactor prescribing practices for primary mitochondrial diseases: Results of a European reference network survey. J Inherit Metab Dis. 2025 Jan;48(1):e12805. doi: 10.1002/jimd.12805. Epub 2024 Nov 11. PMID: 39529390; PMCID: PMC11670042.
8. Eng HM, Sveen KA, Fagerås SJ, Strøm MS, Diep LM, Juliusson PB, Alfsen GC. Introduction of electronic death notification in Norway-Impact on diabetes mortality registration. PLoS One. 2024 Dec 2;19(12):e0311106. doi: 10.1371/journal.pone.0311106. PMID: 39621642; PMCID: PMC11611212.
9. Jacobsen KK, Laborie LB, Kristiansen H, Schäfer A, Gundersen T, Zayats T, Rosendahl K. Genetics of hip dysplasia - a systematic literature review. BMC Musculoskelet Disord. 2024 Oct 1;25(1):762. doi: 10.1186/s12891-024-07795-2. PMID: 39354451; PMCID: PMC11445845.
10. Kristensen E, Mathisen L, Berland S, Klingenberg C, Brodtkorb E, Rasmussen M, Tangeraas T, Bliksrud YT, Rahman S, Bindoff LA, Hikmat O. Epidemiology and natural history of POLG disease in Norway: a nationwide cohort study. Ann Clin Transl Neurol.2024 Jul;11(7):1819-1830. doi: 10.1002/acn3.52088. Epub 2024 Jun 7. PMID: 38845467; PMCID: PMC11251482.
11. Jacobsen KK, Børte S, Laborie LB, Kristiansen H, Schäfer A; HUNT All-In Pain; Gundersen T, Zayats T, Slagsvold Winsvold BK, Rosendahl K. COL11A1 is associated with developmental dysplasia of the hip and secondary osteoarthritis in the HUNT study. Osteoarthr Cartil Open. 2023 Dec 16;6(1):100424. doi: 10.1016/j.ocarto.2023.100424. PMID: 38283578; PMCID: PMC10820335.
12. Bichet DG, Hopkin RJ, Aguiar P, Allam SR, Chien YH, Giugliani R, Kallish S, Kineen S, Lidove O, Niu DM, Olivotto I, Politei J, Rakoski P, Torra R, Tøndel C, Hughes DA. Consensus recommendations for the treatment and management of patients with Fabry disease on migalastat: a modified Delphi study. Front Med (Lausanne). 2023 Sep 1;10:1220637. doi: 10.3389/fmed.2023.1220637. PMID: 37727761; PMCID: PMC10505750.
13. Burlina A, Brand E, Hughes D, Kantola I, Krӓmer J, Nowak A, Tøndel C, Wanner C, Spada M. An expert consensus on the recommendations for the use of biomarkers in Fabry disease. Mol Genet Metab. 2023 Jun;139(2):107585. doi: 10.1016/j.ymgme.2023.107585. Epub 2023 Apr 17. PMID: 37207471.
14. Hopkin RJ, Cabrera GH, Jefferies JL, Yang M, Ponce E, Brand E, Feldt-Rasmussen U, Germain DP, Guffon N, Jovanovic A, Kantola I, Karaa A, Martins AM, Tøndel C, Wilcox WR, Yoo HW, Burlina AP, Mauer M. Clinical outcomes among young patients with Fabry disease who initiated agalsidase beta treatment before 30 years of age: An analysis from the Fabry Registry. Mol Genet Metab. 2023 Feb;138(2):106967. doi: 10.1016/j.ymgme.2022.106967. Epub 2022 Nov 30. PMID: 36709533.
15. Björkman K, Vissing J, Østergaard E, Bindoff LA, de Coo IFM, Engvall M, Hikmat O, Isohanni P, Kollberg G, Lindberg C, Majamaa K, Naess K, Uusimaa J, Tulinius M, Darin N. Phenotypic spectrum and clinical course of single large-scale mitochondrial DNA deletion disease in the paediatric population: a multicentre study. J Med Genet. 2023 Jan;60(1):65-73. doi: 10.1136/jmedgenet-2021-108006. Epub 2021 Dec 6. PMID: 34872991; PMCID: PMC9811091.
16. Berland S, Rustad CF, Bentsen MHL, Wollen EJ, Turowski G, Johansson S, Houge G, Haukanes BI. Double paternal uniparental isodisomy 7 and 15 presenting with Beckwith-Wiedemann spectrum features. Cold Spring Harb Mol Case Stud. 2021 Dec 9;7(6):a006113. doi: 10.1101/mcs.a006113. PMID: 34615670; PMCID: PMC8751407.
17. Varhaug KN, Hikmat O, Bindoff LA. Mitokondriesykdom forårsaket av m.3243A>G-mutasjonen [Mitochondrial disease caused by the m.3243A>G mutation]. Tidsskr Nor Laegeforen. 2022 Jun 27;142(10). Norwegian. doi: 10.4045/tidsskr.21.0729. PMID: 35763848.
18. Parasyri M, Brandström P, Uusimaa J, Ostergaard E, Hikmat O, Isohanni P, Naess K, de Coo IFM, Nascimento Osorio A, Nuutinen M, Lindberg C, Bindoff LA, Tulinius M, Darin N, Sofou K. Renal Phenotype in Mitochondrial Diseases: A Multicenter Study. Kidney Dis (Basel). 2022 Jan 24;8(2):148-159. doi: 10.1159/000521148. PMID: 35527992; PMCID: PMC9021658.
19. Hikmat O, Isohanni P, Keshavan N, Ferla MP, Fassone E, Abbott MA, Bellusci M, Darin N, Dimmock D, Ghezzi D, Houlden H, Invernizzi F, Kamarus Jaman NB, Kurian MA, Morava E, Naess K, Ortigoza-Escobar JD, Parikh S, Pennisi A, Barcia G, Tylleskär KB, Brackman D, Wortmann SB, Taylor JC, Bindoff LA, Fellman V, Rahman S. Expanding the phenotypic spectrum of BCS1L-related mitochondrial disease. Ann Clin Transl Neurol. 2021 Nov;8(11):2155-2165. doi: 10.1002/acn3.51470. Epub 2021 Oct 18. PMID: 34662929; PMCID: PMC8607453.
20. Varhaug KN, Hikmat O, Nakkestad HL, Vedeler CA, Bindoff LA. Serum biomarkers in primary mitochondrial disorders. Brain Commun. 2021 Jan 4;3(1):fcaa222. doi: 10.1093/braincomms/fcaa222. PMID: 33501425; PMCID: PMC7811758.
21. Hikmat O, Naess K, Engvall M, Klingenberg C, Rasmussen M, Tallaksen CME, Samsonsen C, Brodtkorb E, Ostergaard E, de Coo R, Pias-Peleteiro L, Isohanni P, Uusimaa J, Darin N, Rahman S, Bindoff LA. The impact of gender, puberty, and pregnancy in patients with POLG disease. Ann Clin Transl Neurol. 2020 Oct;7(10):2019-2025. doi: 10.1002/acn3.51199. Epub 2020 Sep 18. PMID: 32949115; PMCID: PMC7545595.
22. Lehtonen JM, Auranen M, Darin N, Sofou K, Bindoff L, Hikmat O, Uusimaa J, Vieira P, Tulinius M, Lönnqvist T, de Coo IF, Suomalainen A, Isohanni P. Diagnostic value of serum biomarkers FGF21 and GDF15 compared to muscle sample in mitochondrial disease. J Inherit Metab Dis. 2021 Mar;44(2):469-480. doi: 10.1002/jimd.12307. Epub 2020 Sep 21. PMID: 32857451.
23. Hikmat O, Naess K, Engvall M, Klingenberg C, Rasmussen M, Tallaksen CM, Brodtkorb E, Ostergaard E, de Coo IFM, Pias-Peleteiro L, Isohanni P, Uusimaa J, Darin N, Rahman S, Bindoff LA. Simplifying the clinical classification of polymerase gamma (POLG) disease based on age of onset; studies using a cohort of 155 cases. J Inherit Metab Dis. 2020 Jul;43(4):726-736. doi: 10.1002/jimd.12211. Epub 2020 Jan 23. PMID: 32391929.
24. Berland S, Haukanes BI, Juliusson PB, Houge G. Deep exploration of a CDKN1C mutation causing a mixture of Beckwith-Wiedemann and IMAGe syndromes revealed a novel transcript associated with developmental delay. J Med Genet. 2022 Feb;59(2):155-164. doi: 10.1136/jmedgenet-2020-107401. Epub 2020 Dec 21. PMID: 33443097; PMCID: PMC8788247.
25. Hikmat O, Varhaug KN, Bindoff LA. Polymerase gamma-relatert mitokondriesykdom [Polymerase gamma-related mitochondrial disorder]. Tidsskr Nor Laegeforen. 2020 Jan 13;140(1). Norwegian. doi: 10.4045/tidsskr.19.0368. PMID: 31948198.
26. Bownass L, Abbs S, Armstrong R, Baujat G, Behzadi G, Berentsen RD, Burren C, Calder A, Cormier-Daire V, Newbury-Ecob R, Foulds N, Juliusson PB, Kant SG, Lefroy H, Mehta SG, Merckoll E, Michot C, Monsell F, Offiah AC, Richards A, Rosendahl K, Rustad CF, Shears D, Tveten K, Wellesley D, Wordsworth P; Deciphering Developmental Disorders Study; Smithson S. PAPSS2-related brachyolmia: Clinical and radiological phenotype in 18 new cases. Am J Med Genet A. 2019 Sep;179(9):1884-1894. doi: 10.1002/ajmg.a.61282. Epub 2019 Jul 16. PMID: 31313512.
27. Drage Berentsen R, Haukanes BI, Júlíusson PB, Rosendahl K, Houge G. A Novel GDF6 Mutation in a Family with Multiple Synostoses Syndrome without Hearing Loss. Mol Syndromol. 2019 Jan;9(5):228-234. doi: 10.1159/000492418. Epub 2018 Aug 15. PMID: 30733656; PMCID: PMC6362854.
28. Wanner C, Arad M, Baron R, Burlina A, Elliott PM, Feldt-Rasmussen U, Fomin VV, Germain DP, Hughes DA, Jovanovic A, Kantola I, Linhart A, Mignani R, Monserrat L, Namdar M, Nowak A, Oliveira JP, Ortiz A, Pieroni M, Spada M, Tylki-Szymańska A, Tøndel C, Viana-Baptista M, Weidemann F, Hilz MJ. European expert consensus statement on therapeutic goals in Fabry disease. Mol Genet Metab. 2018 Jul;124(3):189-203. doi: 10.1016/j.ymgme.2018.06.004. Epub 2018 Jun 12. PMID: 30017653.
29. Spada M, Baron R, Elliott PM, Falissard B, Hilz MJ, Monserrat L, Tøndel C, Tylki-Szymańska A, Wanner C, Germain DP. The effect of enzyme replacement therapy on clinical outcomes in paediatric patients with Fabry disease - A systematic literature review by a European panel of experts. Mol Genet Metab. 2019 Mar;126(3):212-223. doi: 10.1016/j.ymgme.2018.04.007. Epub 2018 Apr 26. PMID: 29785937.
30. Bowman P, Sulen Å, Barbetti F, Beltrand J, Svalastoga P, Codner E, Tessmann EH, Juliusson PB, Skrivarhaug T, Pearson ER, Flanagan SE, Babiker T, Thomas NJ, Shepherd MH, Ellard S, Klimes I, Szopa M, Polak M, Iafusco D, Hattersley AT, Njølstad PR; Neonatal Diabetes International Collaborative Group. Effectiveness and safety of long-term treatment with sulfonylureas in patients with neonatal diabetes due to KCNJ11 mutations: an international cohort study. Lancet Diabetes Endocrinol. 2018 Aug;6(8):637-646. doi: 10.1016/S2213-8587(18)30106-2. Epub 2018 Jun 4. Erratum in: Lancet Diabetes Endocrinol. 2018 Sep;6(9):e17. PMID: 29880308; PMCID: PMC6058077.
31. Maas RR, Iwanicka-Pronicka K, Kalkan Ucar S, Alhaddad B, AlSayed M, Al-Owain MA, Al-Zaidan HI, Balasubramaniam S, Barić I, Bubshait DK, Burlina A, Christodoulou J, Chung WK, Colombo R, Darin N, Freisinger P, Garcia Silva MT, Grunewald S, Haack TB, van Hasselt PM, Hikmat O, Hörster F, Isohanni P, Ramzan K, Kovacs-Nagy R, Krumina Z, Martin-Hernandez E, Mayr JA, McClean P, De Meirleir L, Naess K, Ngu LH, Pajdowska M, Rahman S, Riordan G, Riley L, Roeben B, Rutsch F, Santer R, Schiff M, Seders M, Sequeira S, Sperl W, Staufner C, Synofzik M, Taylor RW, Trubicka J, Tsiakas K, Unal O, Wassmer E, Wedatilake Y, Wolff T, Prokisch H, Morava E, Pronicka E, Wevers RA, de Brouwer AP, Wortmann SB. Progressive deafness-dystonia due to SERAC1 mutations: A study of 67 cases. Ann Neurol. 2017 Dec;82(6):1004-1015. doi: 10.1002/ana.25110. PMID: 29205472; PMCID: PMC5847115.
32. Hikmat O, Tzoulis C, Klingenberg C, Rasmussen M, Tallaksen CME, Brodtkorb E, Fiskerstrand T, McFarland R, Rahman S, Bindoff LA. The presence of anaemia negatively influences survival in patients with POLG disease. J Inherit Metab Dis. 2017 Nov;40(6):861-866. doi: 10.1007/s10545-017-0084-9. Epub 2017 Sep 1. Erratum in: J Inherit Metab Dis. 2017 Sep 26;: PMID: 28865037.
33. Bjellmo S, Andersen GL, Martinussen MP, Romundstad PR, Hjelle S, Moster D, Vik T. Is vaginal breech delivery associated with higher risk for perinatal death and cerebral palsy compared with vaginal cephalic birth? Registry-based cohort study in Norway. BMJ Open. 2017 May 4;7(4):e014979. doi: 10.1136/bmjopen-2016-014979. PMID: 28473516; PMCID: PMC5566597.
34. Hikmat O, Tzoulis C, Chong WK, Chentouf L, Klingenberg C, Fratter C, Carr LJ, Prabhakar P, Kumaraguru N, Gissen P, Cross JH, Jacques TS, Taanman JW, Bindoff LA, Rahman S. The clinical spectrum and natural history of early-onset diseases due to DNA polymerase gamma mutations. Genet Med. 2017 Nov;19(11):1217-1225. doi: 10.1038/gim.2017.35. Epub 2017 Apr 27. Erratum in: Genet Med. 2019 Apr;21(4):1027. PMID: 28471437.
35. Suntjens E, Dreschler WA, Hess-Erga J, Skrunes R, Wijburg FA, Linthorst GE, Tøndel C, Biegstraaten M. Hearing loss in children with Fabry disease. J Inherit Metab Dis. 2017 Sep;40(5):725-731. doi: 10.1007/s10545-017-0051-5. Epub 2017 May 31. PMID: 28567540; PMCID: PMC5579138.
36. Johansson BB, Irgens HU, Molnes J, Sztromwasser P, Aukrust I, Juliusson PB, Søvik O, Levy S, Skrivarhaug T, Joner G, Molven A, Johansson S, Njølstad PR. Targeted next-generation sequencing reveals MODY in up to 6.5% of antibody-negative diabetes cases listed in the Norwegian Childhood Diabetes Registry. Diabetologia. 2017 Apr;60(4):625-635. doi: 10.1007/s00125-016-4167-1. Epub 2016 Dec 2. PMID: 27913849.
37. Rafaelsen S, Johansson S, Ræder H, Bjerknes R. Hereditary hypophosphatemia in Norway: a retrospective population-based study of genotypes, phenotypes, and treatment complications. Eur J Endocrinol. 2016 Feb;174(2):125-36. doi: 10.1530/EJE-15-0515. Epub 2015 Nov 5. PMID: 26543054; PMCID: PMC4674593.
38. Rosendahl K, Houge G, Gradek GA, Berland S, Fevang JM, Berentsen RD, Júlíusson PB. Spesialpoliklinikk for skjelettdysplasier [Special outpatient clinic for skeletal dysplasias]. Tidsskr Nor Laegeforen. 2015 Mar 10;135(5):419-20. Norwegian. doi: 10.4045/tidsskr.14.1022. PMID: 25761024.
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