1. Department of Epidemiology and Biostatistics, Netherlands Cancer Institute, Amsterdam, the Netherlands
2. Department of Paediatric Oncology, Emma Children’s Hospital, University Medical Center Utrecht, the Netherlands
3. Department of Radiology, University Medical Center Utrecht, the Netherlands
4. Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD
5. Luxembourg Institute of Science and Technology (LIST), Esch-sur-Alzette, Luxembourg, the Netherlands
6. Department of Radiology and Nuclear Medicine, Erasmus MC Rotterdam, the Netherlands
7. Department of Neurology and Paediatric Neurology, Erasmus MC, Sophia Children's Hospital, Rotterdam, the Netherlands
8. Department of Internal Medicine, University Medical Center Utrecht, the Netherlands
9. Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, the Netherlands
10. Academic Medical Center Amsterdam, Amsterdam, the Netherlands; Dutch Childhood Oncology Group, the Hague, the Netherlands, University Medical Center Utrecht, the Netherlands
11. Department of Registration, Netherlands Comprehensive Cancer Organisation, Utrecht, the Netherlands