1. Department of Pediatric Oncology; Emma Children's Hospital/Academic Medical Centre (EKZ/AMC); Amsterdam the Netherlands
2. Princess Máxima Center for Pediatric Oncology; Utrecht the Netherlands
3. Department of Pediatric Endocrinology; Wilhelmina Children's Hospital (WKZ); Utrecht the Netherlands
4. Department of Radiology; Academic Medical Centre (AMC); Amsterdam the Netherlands
5. Department of Orthopedic Surgery; Academic Medical Centre (AMC); Amsterdam the Netherlands
6. Department of Medical Oncology; Academic Medical Centre (AMC); Amsterdam the Netherlands