1. Department of Pediatric Oncology/Hematology, University of Groningen, Groningen, The Netherlands;
2. Department of Clinical and Developmental Neuropsychology, University of Groningen, Groningen, The Netherlands;
3. Department of Pediatric Oncology/Hematology, University Hospitals Leuven, Leuven, Belgium;
4. Department of Oncology, KU Leuven, Leuven, Belgium;
5. Department of Orthopedagogy, University of Groningen, Groningen, The Netherlands;
6. Department of Pediatric Oncology/Hematology, Radboud University Medical Center, Nijmegen, The Netherlands;
7. Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK;
8. Department of Psychology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands;
9. Department of Neurology, Radboud University Medical Center, Nijmegen, The Netherlands