Pétur Benedikt Juliusson's picture

Pétur Benedikt Juliusson

  • E-mailPetur.Juliusson@uib.no
  • Phone+47 977 77 079
  • Visitor Address
    Armauer Hansens hus, Haukelandsveien 28
  • Postal Address
    Postboks 7804
    5020 Bergen
Academic article
  • Show author(s) (2022). Trends in the prevalence of breastfeeding up to 6 months of age using structured data from routine child healthcare visits. Acta Paediatrica. 1-6.
  • Show author(s) (2022). Reference curves for pediatric endocrinology: leveraging biomarker z-scores for clinical classifications. Journal of Clinical Endocrinology and Metabolism (JCEM). 2004-2015.
  • Show author(s) (2022). Preconception leisure-time physical activity and family history of stroke and myocardial infarction associate with preterm delivery: findings from a Norwegian cohort. BMC Pregnancy and Childbirth. 9 pages.
  • Show author(s) (2022). Family-based treatment of children with severe obesity in a public healthcare setting: Results from a randomized controlled trial. Clinical Obesity. 11 pages.
  • Show author(s) (2022). Characterization of the genetic architecture of infant and early childhood body mass index. Nature Metabolism. 344-358.
  • Show author(s) (2022). Changes in life expectancy and disease burden in Norway, 1990–2019: an analysis of the Global Burden of Disease Study 2019. The Lancet Public Health. 593-605.
  • Show author(s) (2022). A nationwide school fruit and vegetable policy and childhood and adolescent overweight: A quasi-natural experimental study. PLoS Medicine. 1-24.
  • Show author(s) (2021). Thinness, overweight, and obesity in 6- to 9-year-old children from 36 countries: The World Health Organization European Childhood Obesity Surveillance Initiative—COSI 2015–2017. Obesity Reviews. 15 pages.
  • Show author(s) (2021). Psychological health in preschool children with underweight, overweight or obesity: A regional cohort study. BMJ Paediatrics Open. 7 pages.
  • Show author(s) (2021). Pregnancy and risk of COVID-19: a Norwegian registry-linkage study. BJOG: An International Journal of Obstetrics and Gynaecology. 101-109.
  • Show author(s) (2021). Polysomnographic comparison of sleep in children with obesity and normal weight without suspected sleep-related breathing disorder. Clinical Obesity. 8 pages.
  • Show author(s) (2021). Parental Perceptions of Children's Weight Status in 22 Countries: The WHO European Childhood Obesity Surveillance Initiative: COSI 2015/2017. Obesity Facts. 658-674.
  • Show author(s) (2021). Overweight, obesity, and thinness among a nationally representative sample of Norwegian adolescents and changes from childhood: Associations with sex, region, and population density. PLOS ONE. 16 pages.
  • Show author(s) (2021). Maternal PCOS status and metformin in pregnancy: Steroid hormones in 5–10 years old children from the PregMet randomized controlled study. PLOS ONE. 1-14.
  • Show author(s) (2021). Low BMI, but not high BMI, influences the timing of puberty in boys. Andrology. 837-845.
  • Show author(s) (2021). Long-Term Effectiveness and Safety of Childhood Growth Hormone Treatment in Noonan Syndrome. Hormone Research in Paediatrics. 380-395.
  • Show author(s) (2021). 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. 1-10.
  • Show author(s) (2021). Impact of overweight on glucose homeostasis in MODY2 and MODY3. Diabetic Medicine. 3 pages.
  • Show author(s) (2021). Growth in children conceived by ART. Human Reproduction. 1074-1082.
  • Show author(s) (2021). Early life growth and associations with lung function and bronchial hyperresponsiveness at 11-years of age. Respiratory Medicine. 1-8.
  • Show author(s) (2021). COVID‐19 in pregnancy – characteristics and outcomes of pregnant women admitted to hospital because of SARS‐CoV‐2 infection in the Nordic countries. Acta Obstetricia et Gynecologica Scandinavica. 1611-1619.
  • Show author(s) (2021). Bedtime Salivary Cortisol as a Screening Test for Cushing Syndrome in Children. Journal of the Endocrine Society (JES). 1-8.
  • Show author(s) (2021). The Lancet. 1593-1618.
  • Show author(s) (2020). Testicular Ultrasound to Stratify Hormone References in a Cross-Sectional Norwegian Study of Male Puberty . Journal of Clinical Endocrinology and Metabolism (JCEM). 1888-1898.
  • Show author(s) (2020). Starter puberteten tidligere enn før? Tidsskrift for Den norske legeforening. 1-5.
  • Show author(s) (2020). References for ultrasound staging of breast maturation, tanner breast staging, pubic hair, and menarche in Norwegian girls. Journal of Clinical Endocrinology and Metabolism (JCEM). 1599-1607.
  • Show author(s) (2020). Reference data for testicular volume measured with ultrasound and pubic hair in Norwegian boys are comparable with Northern European populations. Acta Paediatrica. 1612-1619.
  • Show author(s) (2020). Micronutrients in paediatric Intestinal Failure Patients receiving home parenteral nutrition. Clinical Nutrition. 3452-3460.
  • Show author(s) (2020). Livsstilsbehandling av barn og ungdom med alvorlig fedme – resultater etter ett år. Tidsskrift for Den norske legeforening. 11 pages.
  • Show author(s) (2020). Laparoscopic gastric bypass versus lifestyle intervention for adolescents with morbid obesity. Tidsskrift for Den norske legeforening. 14 pages.
  • Show author(s) (2020). Hva betyr tidligere hjerte- og karsykdom eller kreft for risiko for død etter påvist SARS-CoV-2? Tidsskrift for Den norske legeforening. 135-140.
  • Show author(s) (2020). Hormone references for ultrasound breast staging and endocrine profiling to detect female onset of puberty. Journal of Clinical Endocrinology and Metabolism (JCEM). e4886-e4895.
  • Show author(s) (2020). Health-related behaviors in adolescents mediate the association between subjective social status and body mass index. International Journal of Environmental Research and Public Health (IJERPH). 1-16.
  • Show author(s) (2020). Early gut fungal and bacterial microbiota and childhood growth. Frontiers in pediatrics. 1-11.
  • Show author(s) (2020). Deep exploration of a CDKN1C mutation causing a mixture of Beckwith-Wiedemann and IMAGe syndromes revealed a novel transcript associated with developmental delay. Journal of Medical Genetics. 1-10.
  • Show author(s) (2020). Bone mineral density and vitamin D in paediatric intestinal failure patients receiving home parenteral nutrition. Clinical Nutrition ESPEN. 234-241.
  • Show author(s) (2020). Beyond sleep duration: Sleep timing as a risk factor for childhood obesity. Pediatric Obesity. 11 pages.
  • Show author(s) (2020). Associations of age, body mass index and biochemical parameters with brain morphology in patients with anorexia nervosa. European Eating Disorders Review. 74-85.
  • Show author(s) (2019). Testicular ultrasound to stratify hormone references in a cross-sectional Norwegian study of male puberty. Journal of Clinical Endocrinology and Metabolism (JCEM). 27 pages.
  • Show author(s) (2019). Sex-related change in BMI of 15- to 16-year-old Norwegian girls in cross-sectional studies in 2002 and 2017. BMC Pediatrics. 1-9.
  • Show author(s) (2019). PAPSS2-related brachyolmia: Clinical and radiological phenotype in 18 new cases. American Journal of Medical Genetics. Part A. 1884-1894.
  • Show author(s) (2019). Norwegian children and adolescents in blended families are at risk of larger one-year BMI increments. Acta Paediatrica. 1-8.
  • Show author(s) (2019). Normal Liver Stiffness Values in Children: A Comparison of Three Different Elastography Methods. Journal of Pediatric Gastroenterology and Nutrition - JPGN. 706-712.
  • Show author(s) (2019). No significant associations between breastfeeding practices and overweight in 8-year-old children. Acta Paediatrica. 109-114.
  • Show author(s) (2019). 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 Paediatrica. 2261-2266.
  • Show author(s) (2019). Life expectancy and disease burden in the Nordic countries: results from the Global Burden of Diseases, Injuries, and Risk Factors Study 2017. The Lancet Public Health. e658-e669.
  • Show author(s) (2019). Larger head circumference in Icelandic children 0-4 years of age compared to the World Health Organization and Swedish growth charts. Acta Paediatrica. 1-6.
  • Show author(s) (2019). Intrauterine metformin exposure and offspring cardiometabolic risk factors (PedMet study): a 5-10 year follow-up of the PregMet randomised controlled trial. The Lancet Child and Adolescent Health. 166-174.
  • Show author(s) (2019). Genome-wide association study reveals dynamic role of genetic variation in infant and early childhood growth. Nature Communications. 1-10.
  • Show author(s) (2019). 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 Paediatrics Open. 1-11.
  • Show author(s) (2019). A family‐oriented intervention programme to curtail obesity from five years of age had no effect over no intervention. Acta Paediatrica. 1-9.
  • Show author(s) (2018). Ultrasound-based measurements of testicular volume in 6- to 16-year-old boys — intra- and interobserver agreement and comparison with Prader orchidometry. Pediatric Radiology. 1771-1778.
  • Show author(s) (2018). Ultrasound assessment of pubertal breast development in girls: intra- and interobserver agreement. Pediatric Radiology. 1576-1583.
  • Show author(s) (2018). The associations between weight-related anthropometrics during childhood and lung function in late childhood: A retrospective cohort study. BMC Pulmonary Medicine. 1-13.
  • Show author(s) (2018). Normative ultrasound references for the paediatric wrist; Dorsal soft tissues. RMD Open. 1-6.
  • Show author(s) (2018). Metformin use in PCOS pregnancies increases the risk of offspring overweight at 4 years of age: follow-up of two RCTs. Journal of Clinical Endocrinology and Metabolism (JCEM). 1612-1621.
  • Show author(s) (2018). Growth of children in Greenland exceeds the World Health Organization growth charts. Acta Paediatrica. 1953-1965.
  • Show author(s) (2018). Gender-related differences in cardiometabolic risk factors and lifestyle behaviors in treatment-seeking adolescents with severe obesity. BMC Pediatrics. 1-8.
  • Show author(s) (2018). Effectiveness and safety of long-term treatment with sulfonylureas in patients with neonatal diabetes due to KCNJ11 mutations: an international cohort study. The Lancet Diabetes and Endocrinology. 637-646.
  • Show author(s) (2018). 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. 1-10.
  • Show author(s) (2018). Cardiometabolic risk factors differ among adolescents with obesity in three European countries - a cross sectional study. Acta Paediatrica. 493-501.
  • Show author(s) (2018). Associations between different weight-related anthropometric traits and lifestyle factors in Norwegian children and adolescents: A case for measuring skinfolds. American Journal of Human Biology. 1-10.
  • Show author(s) (2018). A Novel GDF6 Mutation in a Family with Multiple Synostoses Syndrome without Hearing Loss. Molecular Syndromology. 1-7.
  • Show author(s) (2017). Timing of menarche in Norwegian girls: Associations with body mass index, waist circumference and skinfold thickness. BMC Pediatrics. 1-6.
  • Show author(s) (2017). Targeted next-generation sequencing reveals MODY in up to 6.5% of antibody-negative diabetes cases listed in the Norwegian Childhood Diabetes Registry. Diabetologia. 625-635.
  • Show author(s) (2017). Social and somatic determinants of underweight, overweight and obesity at five years of age: A Norwegian regional cohort study. BMJ Open. 14 pages.
  • Show author(s) (2017). Severe obesity is a limitation for the use of body mass index standard deviation scores in children and adolescents. Acta Paediatrica. 307-314.
  • Show author(s) (2017). 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. 1-15.
  • Show author(s) (2016). Study Protocol: A randomized controlled trial evaluating the effect of family-based behavioral treatment of childhood and adolescent obesity–The FABO-study. BMC Public Health. 1-9.
  • Show author(s) (2016). Short stature: Comparison of WHO and national growth standards/references for height. PLOS ONE.
  • Show author(s) (2016). Iodine status and growth in 0-2-year-old infants with cow's milk protein allergy. Journal of Pediatric Gastroenterology and Nutrition - JPGN. 806-811.
  • Show author(s) (2016). Enhanced nutrition improves growth and increases blood adiponectin concentrations in very low birth weight infants :. Food & Nutrition Research. 1-11.
  • Show author(s) (2016). Body mass index and physical activity in early childhood are associated with atopic sensitization, atopic dermatitis and asthma in later childhoo. Clinical and Translational Allergy. 1-9.
  • Show author(s) (2016). BMI and BMI SDS in childhood: annual increments and conditional change. Annals of Human Biology. 28-33.
  • Show author(s) (2015). Should children with overweight or obesity be excluded from height references? Archives of Disease in Childhood. 1044-1048.
  • Show author(s) (2015). Reference ranges for head circumference in ethiopian children 0-2 years of age. World Neurosurgery. 1566-1571.
  • Show author(s) (2015). Management and interpretation of heterogeneous observational data: Using insulin-like growth factor-I data from the NordiNet® International Outcome Study. Growth Hormone & IGF Research. 41-46.
  • Show author(s) (2015). Assessment of body composition in children with cerebral palsy: a cross-sectional study in Norway. Developmental Medicine & Child Neurology. 858-864.
  • Show author(s) (2014). Maternal hormonal contraceptive use and offspring overweight or obesity. International Journal of Obesity.
  • Show author(s) (2014). Interrelationships between anthropometric variables and overweight in childhood and adolescence. American Journal of Human Biology. 502-510.
  • Show author(s) (2014). Important periods of weight development in childhood: a population-based longitudinal study. BMC Public Health. 8 pages.
  • Show author(s) (2013). TV viewing and obesity among Norwegian children: the importance of parental education. Acta Paediatrica. 199-205.
  • Show author(s) (2013). References and cutoffs for triceps and subscapular skinfolds in Norwegian children 4-16 years of age. European Journal of Clinical Nutrition. 928-933.
  • Show author(s) (2013). Growth references for 0-19 year-old Norwegian children for length/height, weight, body mass index and head circumference. Annals of Human Biology. 220-227.
  • Show author(s) (2013). 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 waitinglist controlled trial. Obesity Research and Clinical Practice. E116-E128.
  • Show author(s) (2012). Prediction of outcome at 5 years from assessments at 2 years among extremely preterm children: A Norwegian national cohort study. Acta Paediatrica. 264-270.
  • Show author(s) (2012). High prevalence of overweight and obesity among 6-year-old children in Finnmark County, North Norway. Acta Paediatrica. 924-928.
  • Show author(s) (2012). Gastrostomy tube feeding of children with cerebral palsy: variation across six European countries. Developmental Medicine & Child Neurology. 938-944.
  • Show author(s) (2012). Children and eating. Personality and gender are associated with obesogenic food consumption and overweight in 6-to 12-year-olds. Appetite. 1113-1117.
  • Show author(s) (2011). Waist circumference and waist-to-height ratio in Norwegian children 4-18 years of age: Reference values and cut-off levels. Acta Paediatrica. 1576-1582.
  • Show author(s) (2011). Trikorhinofalangealt syndrom - klinisk presentasjon og genetikk. Tidsskrift for Den norske legeforening. 1420-1423.
  • Show author(s) (2011). The relationship between life-style and cardio-metabolic risk indicators in children: the importance of screen time. Acta Paediatrica. 253-259.
  • Show author(s) (2011). Parental perception of overweight and underweight in children and adolescents. Acta Paediatrica. 260-265.
  • Show author(s) (2011). 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. Archives of Disease in Childhood. 916-921.
  • Show author(s) (2011). Feeding problems, growth and nutritional status in children with cerebral palsy. Acta Paediatrica. 92-98.
  • Show author(s) (2010). Overweight and obesity in Norwegian children: prevalence and socio-demographic risk factors. Acta Paediatrica. 900-905.
  • Show author(s) (2010). First year growth among very low birth weight infants. Acta Paediatrica. 556-562.
  • Show author(s) (2009). Vekstkurver: Hva er forskjellene mellom en referanse og en standard? Pediatrisk Endokrinologi. 53-56.
  • Show author(s) (2009). Vekstkurver for norske barn. Tidsskrift for Den norske legeforening. 281-286.
  • Show author(s) (2008). Utredning og behandling av medfødt hyperinsulinisme (2): Diagnostiske og terapeutiske aspekter. Pediatrisk Endokrinologi. 56-63.
  • Show author(s) (2008). Sekulær økning i vekt hos barn og unge. Pediatrisk Endokrinologi. 16-24.
  • Show author(s) (2008). Pubertetsinduksjon med transdermalt østrogen hos jenter med Turner syndrom. Pediatrisk Endokrinologi. 79-83.
  • Show author(s) (2002). Behandling av Graves sykdom hos barn og unge. Pediatrisk Endokrinologi. 42-46.
  • Show author(s) (2022). 2021. 2021. .
  • Show author(s) (2021). Rapport om svangerskapsavbrot 2020. Register over svangerskapsavbrot (Abortregisteret). [1]−2021. [1]−2021. .
  • Show author(s) (2020). Report on termination of pregnancies for 2019. 1-2020. 1-2020. .
  • Show author(s) (2019). 2018. 2018. .
Academic lecture
  • Show author(s) (2013). Important periods of weight development in childhood: A population based longitudinal study.
  • Show author(s) (2011). Feeding problems, growth and nutritional status in children with cerebral palsy in Norway.
  • Show author(s) (2011). Feeding problems, growth and nutritional status in children with cerebral palsy in Norway.
  • Show author(s) (2012). The use of local reference growth charts for clinical use or a universal standard: A balanced appraisal. Journal of Endocrinological Investigation. 224-226.
Reader opinion piece
  • Show author(s) (2020). Sars-CoV-2-infeksjon under svangerskapet. Tidsskrift for Den norske legeforening. 1-3.
  • Show author(s) (2015). Debatt: Fedme er ingen spøk. Bergens Tidende.
Short communication
  • Show author(s) (2021). Fødselsstatistikken 2019, nr 2. Fødselsnytt. 1-4.
  • Show author(s) (2015). Personality and overweight in 6-12-year-old children. Pediatric Obesity. e5-e7.
  • Show author(s) (2014). Medisin i bilder; “Barn med krumme legger”. Tidsskrift for Den norske legeforening.
Thesis at a second degree level
  • Show author(s) (2015). Sammenhengen mellom psykisk helse i ungdomsalder og vektstatus i ung voksen alder. En 11 års oppfølgingsstudie fra Helseundersøkelsen i Nord-Trøndelag (HUNT).
Feature article
  • Show author(s) (2020). Færre vert gravide. Tidsskrift for Den norske legeforening. 1-5.
  • Show author(s) (2017). Nye kurver for kroppsmasseindeks blant barn og unge. Tidsskrift for Den norske legeforening. 1397-1398.
  • Show author(s) (2016). Nye referansekurver for vektrelaterte kroppsmål hos barn. Tidsskrift for Den norske legeforening. 1828-1830.
Doctoral dissertation
  • Show author(s) (2015). Overweight and obesity in children: a study of weight-related anthropometric variables in childhood.
  • Show author(s) (2010). Overweight and obesity in Norwegian children.
  • Show author(s) (2021). Late Sleep Timing, and Less Organized Sport are Related to Lower Physical Activity Levels in Children and Adolescents with Severe Obesity. Annals of Nutrition and Metabolism. 14-14.
  • Show author(s) (2017). Lifestyle treatment of children and adolescents with obesity in Bergen, Norway: Impact of follow-up frequency and self-monitoring during the first year. Obesity Facts. 240-240.
  • Show author(s) (2017). Family-based behavioural treatment for childhood and adolescent obesity: Are parenting practices and parental cohabitation associated with pre-post changes in BMI Standard Deviation Score (BMI-SDS) during treatment? Acta Paediatrica. 19-33.
  • Show author(s) (2017). Disordered Eating in Children and Adolescents with Severe Obesity: Pre-post Changes During Family-Based Behavioural Treatment for Obesity. Acta Paediatrica. 34-40.
  • Show author(s) (2015). Mental health problems as predictors of weight change from adolescence to young adulthood, 11 years follow-up. The HUNT-study Norway. Acta Paediatrica. 10-10.
  • Show author(s) (2015). Family-based behavioural treatment of obesity-The FABO-study. Acta Paediatrica. 22-22.
  • Show author(s) (2011). Feeding problems, growth and nutritional status in children with cerebral palsy in Norway. Developmental Medicine & Child Neurology.
  • Show author(s) (2009). Growth of Belgian and Norwegian children compared to the WHO growth standards: prevalence outside normal limits and the effect of breast-feeding. Hormone Research. 199-199.
  • Show author(s) (2021). Barriers experienced in Family-based cognitive behavioural treatment of childhood obesity and pre-mature drop-out from treatment.
  • Show author(s) (2020). Prenatal exposure to PFASs and child growth trajectories in the Norwegian MoBa study .
  • Show author(s) (2019). Bone health and vitamin D in paediatric intestinal failure patients receiving home parenteral nutrition.
  • Show author(s) (2018). Beyond Sleep Duration:Sleep Timing as a Risk Factor for Childhood Obesity. .
  • Show author(s) (2015). Two years obesity intervention program in children and adolescents: The importance of age at enrollement.
  • Show author(s) (2015). Family-based behavioral treatment of obesity-the FABO study.
  • Show author(s) (2015). FABO-studien.Familiebasert kognitiv atferdsbehandling for barn og unge med fedme.
  • Show author(s) (2015). Correlations between anthropometric measures and cardiometabolic risk factors in morbid obese children: are measures of sitting height useful?
  • Show author(s) (2015). Changes in body mass index (BMI) standard deviation score (sds)during one-year outpatient obesity intervention program in children and adolescents.
  • Show author(s) (2013). Critical periods of weight development in childhood: A population based longitudinal study.
  • Show author(s) (2008). Comparison of new growth curves for Norwegian children with the existing national charts and the WHO growth standards.
  • Show author(s) (2007). Overweight and obesity in Norwegian children: Secular trends and current prevalence.
Academic literature review
  • Show author(s) (2021). Exposures during the prepuberty period and future offspring's health: evidence from human cohort studies. Biology of Reproduction. 667-680.
  • Show author(s) (2006). Diagnostiske kriterier for veksthormonmangel hos barn. Pediatrisk Endokrinologi. 60-64.
  • Show author(s) (2004). Veksthormonbehandling av barn født SGA uten innhentingsvekst. Pediatrisk Endokrinologi. 78-85.
  • Show author(s) (2004). Medisinsk utredning av overvekt og fedme hos barn og unge. Pediatrisk Endokrinologi. 31-34.
  • Show author(s) (2004). Hvordan skal vi måle og definere overvekt og fedme hos barn og unge? Pediatrisk Endokrinologi. 24-30.

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