Publications

2023

Balthasar MR, Roelants M, Brannsether-Ellingsen B, Stangenes KM, Magnus MC, HÅberg SE, Øverland SN, JÚlÍusson 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.
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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.
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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.
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2022

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.
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2021

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, 9(3), 837-845. doi:10.1371/journal.pone.0257186
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Bruserud IS, Oehme NHB, Madsen A, Rosendahl K, Bjerknes R, Roelants M & Júlíusson PB . Puberteten starter tidligere. Tidsskrift for Den norske legeforening 2021 Apr 21;141(7). doi: 10.4045/tidsskr.21.0210.
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2020

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):dgaa107. doi: 10.1210/clinem/dgaa107
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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 Jan 3. doi: 10.1111/apa.15159.
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Kristiansen H, Roelants M, Bjerknes R, Juliusson PB. Norwegian children and adolescents in blended families are at risk of larger one-year BMI increments. Acta Paediatr. 2020;109:587-594. doi: 10.1111/apa.15019.
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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.
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2019

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 2019 Oct 26:dgz094. doi: 10.1210/clinem/dgz094.
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Løkling HL, Roelants M, Kommedal KG, Skjåkødegård H, Apalset EM, Benestad B, Morken MH, Hjelmesaeth J, Juliusson PB. Monitoring children and adolescents with severe obesity: body mass index (BMI), BMI z-score or percentage above the International Obesity Task Force overweight cut-off? Acta Paediatr. 2019;108:2261-2266. doi: 10.1111/apa.14898.
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2018

Kristiansen H, Eide GE, Brannsether B, Roelants M, Bjerknes R, Júlíusson PB. Associations between different weight-related anthropometric traits and lifestyle factors in Norwegian children and adolescents: A case for measuring skinfolds. Am J Hum Biol 2018;30:e23187.
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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;48:1771-1778. doi: 10.1007/s00247-018-4195-8.
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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;48:1576-1583. doi: 10.1007/s00247-018-4188-7.
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Toftemo I, Jenum AK, Lagerløv P, Júlίusson PB, Falk RS, Sletner L. Contrasting patterns of overweight and thinness among preschool children of different ethnic groups in Norway, and relations with maternal and early life factors. BMC Public Health. 2018 Aug 23;18(1):1056. doi: 10.1186/s12889-018-5952-1.
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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 Jul 6. doi: 10.1007/s00247-018-4195-8.
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Engen Hanem LG, Stridsklev S, Júlíusson PB, Salvesen Ø, Roelants M, Carlsen SM, Ødegård R, Vanky E. Metformin use in PCOS pregnancies increases the risk of offspring overweight at 4 years of age; follow-up of two RCTs. J Clin Endocrinol Metab. 2018 Feb 27. doi: 10.1210/jc.2017-02419. [Epub ahead of print]
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Barstad LH, Júlíusson PB, Johnson LK, Hertel JK, Lekhal S, Hjelmesæth J. Gender-related differences in cardiometabolic risk factors and lifestyle behaviors in treatment-seeking adolescents with severe obesity. BMC Pediatr. 2018;18:61.
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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.
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2017

Júlíusson PB, Roelants M, Benestad B, Lekhal S, Danielsen Y, Hjelmesaeth J, Hertel JK. Severe obesity is a limitation for the use of body mass index standard deviation scores in children and adolescents. Acta Paediatr. 2018 Feb;107(2):307-314. doi: 10.1111/apa.14113. Epub 2017 Ot 27.
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Júlíusson PB, Hjelmesæth J, Bjerknes R, Roelants M. New curves for body mass index among children and adolescents. Tidsskriftet Den Norske Legeforening 2017 Oct 2. doi: 10.4045/tidsskr.17.0570. [Epub ahead of print].
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Donkor HM, Grundt JH, Júlíusson PB, Eide GE, Hurum J, Bjerknes R, Markestad T. Social and somatic determinants of underweight, overweight and obesity at 5 years of age: a Norwegian regional cohort study. BMJ Open. 2017 Aug 18;7(8):e014548.
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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.
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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.
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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;44:28-33.
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2016

Thomassen RA, Kvammen JA, Eskerud MB, Júlíusson PB, Henriksen C, Rugtveit J. Iodine Status and Growth In 0-2-Year-Old Infants With Cow’s Milk Protein Allergy. J Pediatr Gastroenterol Nutr. 2016 Oct 12. [Epub ahead of print] PubMed PMID: 27741063.03868.
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Brannsether B, Roelants M, Bjerknes R, Júlíusson PB. New reference charts for weight-related body measurements in children. Tidsskr Nor Laegeforen. 2016;136:1828-1830.
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Blakstad EW, Moltu SJ, Nakstad B, Veierød MB, Strømmen K, Júlíusson PB, Almaas AN, Rønnestad AE, Brække K, Dervon CA, Iversen PO. Enhanced nutrition improves growth and increases blood adiponectin concentrations in very low birth weight infants. Food Nutr Res 2016;Des 1;60:33171
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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. Clinical and Translational Allergy 2016;6:33.
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Christensen HT, Pedersen BT, Poumara E, Petit IO, Juliusson PB. Short stature: Comparison of WHO and National Growth Standards/References for Height. Plos ONE 2016 Jun 9;11(6):e0157277.
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2015

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;84:1566-1571.
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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;100:1044-8.
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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;57:858-64.
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Hampson SE, Vollrath ME, Júlíusson PB. Personality and overweight in 6-12-year-old children. Pediatr Obes 2015;10:e5-7.
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2014

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 2014;38:1275-81.
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Brannsether B, Eide GE, Roelants M, Bjerknes R, Júlíusson PB. Interrelationships between anthropometric variables and overweight in childhood and adolescence. Am J Hum Biol 2014;26:502-10.
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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;14:160.
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2013

Brannsether B, Roelants M, Bjerknes R, Júlíusson PB. References and cut-offs for triceps and subscapularis skinfolds in Norwegian children 4-16 years of age. Eur J Clin Nutr 2013;67:928-33.
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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;40:220-7.
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Danielsen YS, Nordhus IH, Juliusson PB, Mæhle M, Pallesen S. Effect of a family-based cognitive behavioural intervention on body mass index, self-esteem and symptoms of depression in children with obesity (aged 7–13): A randomised waiting list controlled trial. Obesity Research and Clinical Practice 2013;7:e116-e128.
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Kristiansen H, Júlíusson PB, Eide GE, Roelants M, Bjerknes R. TV viewing and obesity among Norwegian children: the importance of parental education. Acta Paediatr 2013;102:199-205.
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2012

Dahlseng MO, Andersen GL, DA Graca Andrada M, Arnaud C, Balu R, De la Cruz J, Folha T, Himmelmann K, Horridge K, Júlíusson PB, Påhlman M, Rackauskaite G, Sigurdardottir S, Uldall P, Vik T; Surveillance of Cerebral Palsy in Europe Network. Gastrostomy tube feeding of children with cerebral palsy: variation across six European countries. Dev Med Child Neurol. 2012;54:938-44.
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Kokkvoll A, Jeppesen E, Juliusson PB, Flaegstad T, Njølstad I. High prevalence of overweight and obesity among 6-year-old children in Finnmark County, North Norway. Acta Paediatr. 2012;101:924-8.
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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.
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Vollrath ME, Hampson SE, Júlíusson PB. Children and eating. Personality and gender are associated with obesogenic food consumption and overweight in 6- to 12-year-olds. Appetite 2012;58:1113-1117.
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Leversen KT, Sommerfelt K, Elgen IB, Eide GE, Irgens LM, Júlíusson PB, Markestad T. Prediction of outcome at 5 years from assessments at 2 years among extremely preterm children: a Norwegian national cohort study. Acta Paediatr 2012;101:264-70.
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Dahlseng MO, Finbråten AK, Júlíusson PB, Skranes J, Andersen G, Vik T. Feeding problems, growth and nutritional status in children with cerebral palsy. Acta Paediatr 2012;101:92-8.
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2011

Brannsether B, Roelants M, Bjerknes R, Júlíusson PB. Waist circumference and waist-for-height ratio in Norwegian children 4-18 years – reference values and cut-off levels. Acta Paediatrica 2011;100:1576-82.
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Júlíusson PB, Roelants M, Markestad T, Bjerknes R. Parental perception of overweight and underweight in children and adolescents. Acta Paediatr 2011;100:260-5.
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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 standard deviations and the effect of breastfeeding. Arch Dis Child 2011;96:916-21.
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2010

Júlíusson PB. Overweight and obesity in Norwegian children: Trends, current prevalence, effect of socio-demographic factors and parental perception. PhD thesis. University of Bergen, Norway, 2010.
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Júlíusson PB, Eide GE, Roelants M, Waaler PE, Hauspie R, Bjerknes R. Overweight and obesity in Norwegian children: prevalence and socio-demographic risk factors. Acta Paediatr 2010;99:900-5.
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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 Paediatrica 2010;99:556-62.
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2009

Júlíusson PB, Roelants M, Bjerknes R. Vekstkurver: Hva er forskjellene mellom en referanse og en standard? Pediatrisk Endokrinologi 2009;23:53-6.
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Júlíusson PB, Roelants M, Eide GE, Moster D, Juul A, Hauspie R, Waaler PE, Bjerknes R. Vekstkurver for norske barn. Tidsskr Nor Legeforen 2009;129:281-6.
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2008

Júlíusson PB, Bjerknes R. Sekulær økning i vekt hos barn og unge. Pediatrisk Endokrinologi 2008;22:16-24.
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2007

Júlíusson PB, Roelants M, Eide GE, Hauspie R, Waaler PE, Bjerknes R. Overweight and obesity in Norwegian children: Secular trends in weight-for-height and skinfolds. Acta Paediatrica 2007;96:1333–7.
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Júlíusson PB, Roelants M. Internasjonal definisjon av overvekt og fedme hos barn: Noe for bruk i Norge? Pediatrisk Endokrinologi 2007;21:29-32.
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2005

Júlíusson PB, Vinsjansen S, Nilsen B, Sælensminde H, Vågset R, Eide GE, Waaler PE, Bjerknes R. Måling av vekst og vekt: En oversikt over anbefalte teknikker. Pediatrisk Endokrinologi 2005;19:23-9.
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