1. Department of Pediatric Oncology‐HematologyAmsterdam UMCVU University Amsterdam The Netherlands
2. Princess Màxima Center for Pediatric Oncology Utrecht The Netherlands
3. Psychosocial DepartmentAmsterdam UMCEmma Children's HospitalUniversity of Amsterdam Amsterdam The Netherlands
4. Department of Pediatric OncologyAmsterdam UMCEmma Children's HospitalUniversity of Amsterdam Amsterdam The Netherlands
5. Department of PediatricsMaastricht University Medical Center Maastricht The Netherlands
6. Department of Pediatric Oncology/HematologyRadboud University Medical Center Nijmegen The Netherlands