1. The Children's Obesity Clinic, Department of Pediatrics; Copenhagen University Hospital Holbaek; Holbaek Denmark
2. Department of Pediatrics; Copenhagen University Hospital Herlev; Herlev Denmark
3. Section of Metabolic Genetics, The Novo Nordisk Foundation Center for Basic Metabolic Research; University of Copenhagen; Copenhagen Denmark
4. Hans Christian Andersen Children's Hospital; Odense University Hospital; Odense Denmark
5. Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark