1. Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen , 2200 Copenhagen , Denmark
2. The Children's Obesity Clinic, accredited European Centre for Obesity Management, Department of Pediatrics, Holbæk Hospital , 4300 Holbæk , Denmark
3. Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen , 2200 Copenhagen , Denmark
4. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen , 2200 Copenhagen , Denmark
5. Department for Congenital Disorders, Statens Serum Institute , 2300 Copenhagen , Denmark
6. Center for Clinical Metabolic Research, Herlev-Gentofte University Hospital , 2900 Copenhagen , Denmark
7. Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen , 1353 Copenhagen , Denmark