1. Department of Paediatric Haematology; Emma Children's Hospital; Academic Medical Centre; Amsterdam The Netherlands
2. Department of Psychosocial; Emma Children's Hospital; Academic Medical Centre; Amsterdam The Netherlands
3. Department of Radiology; Academic Medical Centre; Amsterdam The Netherlands
4. Department of Paediatric Haematology; Sophia Children's Hospital; Erasmus Medical Centre; Rotterdam The Netherlands
5. Department of Paediatric Neurology; Emma Children's Hospital; Academic Medical Centre; Amsterdam The Netherlands