1. Department of Medical Psychology and Social Work, Wilhelmina Children's Hospital University Medical Center Utrecht Utrecht the Netherlands
2. Pediatric Gastroenterology, Hepatology and Nutrition, Emma Children's Hospital, Amsterdam UMC University of Amsterdam Amsterdam the Netherlands
3. Faculty of Social and Behavioral Sciences Utrecht University Utrecht the Netherlands
4. Department of Pediatrics St. Antonius Hospital Nieuwegein the Netherlands
5. Pediatric Clinical Research Office, Emma Children's Hospital, Amsterdam UMC University of Amsterdam Amsterdam the Netherlands
6. Psychosocial Department, Emma Children's Hospital, Amsterdam UMC University of Amsterdam Amsterdam the Netherlands
7. Clinical Research Office Bernhoven Hospital Uden the Netherlands
8. Nutrition and Health over the Lifecourse Wageningen University & Research Wageningen the Netherlands