1. Department of Pediatric Research, Oslo University Hospital, Rikshospitalet, Oslo, Norway
2. Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
3. Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
4. Hans Christian Andersen Children’s Hospital, Odense University Hospital, Odense, Denmark
5. Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
6. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
7. Division of Pediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
8. KG Jebsen Center for Diabetes Research, Department of Clinical Science, University of Bergen, Bergen, Norway
9. Department of Pediatrics, Haukeland University Hospital, Bergen, Norway