1. The Children's Obesity Clinic, Department of PaediatricsCopenhagen University Hospital Holbæk Holbæk Denmark
2. Department of Biomedical SciencesUniversity of Copenhagen Copenhagen Denmark
3. Department of PaediatricsCopenhagen University Hospital Hvidovre Hvidovre Denmark
4. The Novo Nordisk Foundation Center for Basic Metabolic Research, Section of Metabolic GeneticsUniversity of Copenhagen Copenhagen Denmark
5. Faculty of Health SciencesUniversity of Southern Denmark Odense Denmark
6. Faculty of Health and Medical SciencesUniversity of Copenhagen Copenhagen Denmark