1. 1Obesity Centre CGG, Department of Internal Medicine
2. 2Division of Endocrinology, Department of Internal Medicine
3. 3Division of Pediatric Endocrinology, Department of Pediatrics
4. 4Department of Clinical Chemistry, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
5. 5Department of Clinical Sciences, Lund University, Malmö, Sweden
6. 6Department of Internal Medicine, Skåne University Hospital, Malmö, Sweden