1. Institute of Sports Sciences, University of Lausanne, Lausanne, Switzerland
2. Institute of Social and Preventive Medicine, University Hospital Center and Faculty of Biology and Medicine, Lausanne, Switzerland
3. Institute of Psychology, Clinical Child and Adolescent Psychology, University of Lausanne, Lausanne, Switzerland
4. Pediatric Gastroenterology Unit, Department of Pediatrics, University of Lausanne, Lausanne, Switzerland
5. Institute of Exercise and Health Sciences, University of Basel, Basel, Switzerland
6. Exercise, Nutrition and Lifestyle Clinic, The Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel Hashomer, Israel
7. Swiss Tropical and Public Health Institute, University of Basel, Basel, Switzerland
8. Service of Endocrinology, Diabetes and Metabolism, University of Lausanne, Lausanne, Switzerland