1. Department of Paediatric Oncology/Haematology; VU University Medical Center; Amsterdam The Netherlands
2. Department of Medical Psychology; VU University Medical Center; Amsterdam The Netherlands
3. Department of Health Sciences and the EMGO Institute for Health and Care Research; Faculty of Earth and Life Sciences; VU University Amsterdam; Amsterdam The Netherlands
4. Child Development & Exercise Center; Wilhelmina Children's Hospital; University Medical Center Utrecht; Utrecht The Netherlands
5. Department of Medical Psychology and Social Work; Wilhelmina Children's Hospital; University Medical Center Utrecht; Utrecht The Netherlands
6. Department of Paediatric Oncology; Emma Children's Hospital/Academic Medical Centre; Amsterdam The Netherlands
7. Department of Haematology and Stem Cell Transplantation; Wilhelmina Children's Hospital; University Medical Center Utrecht; Utrecht The Netherlands
8. Department of Paediatric Oncology/Haematology; Erasmus Medical Center; Sophia Children's Hospital; Rotterdam The Netherlands
9. Princess Maxima Center for Pediatric Oncology; Utrecht The Netherlands