1. Department of Psychosocial Oncology and Epidemiology,The Netherlands Cancer Institute, Amsterdam, Netherlands
2. Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands
3. Erasmus Medical Center Cancer Institute, Department of Radiation Oncology, Rotterdam, Netherlands
4. Leiden University Medical Center, Department of Clinical Oncology, Leiden, Netherlands
5. Department of Internal Medicine, Hematology, Radboud University Medical Center, Nijmegen, Netherlands
6. Department of Hematology, University Medical Center Utrecht, Utrecht, Netherlands
7. Department of Hematology, Erasmus Medical Center Cancer Insitute, Rotterdam, Netherlands
8. Department of Hematology, VU University Medical Center, Amsterdam, Netherlands
9. Department of Hematology, University Medical Center Groningen, Groningen, Netherlands
10. Department of Radiotherapy, Radboud University Medical Center, Nijmegen, Netherlands
11. Department of Radiotherapy, University Medical Center Utrecht, Utrecht, Netherlands
12. Department of Radiotherapy, University Medical Center Groningen, Groningen, Netherlands
13. Institute Verbeeten, Tilburg, Netherlands
14. Department of Pediatric Oncology, Emma Children’s Hospital/Academic Medical Center, Amsterdam, Netherlands
15. Comprehensive Cancer Centre South Netherlands, Eindhoven, Netherlands
16. Department of Radiotherapy, Catharina Hospital, Eindhoven, Netherlands
17. Department of Radiation Oncology, The Netherlands Cancer Institute, Amsterdam, Netherlands