1. Radiation Oncology; The Netherlands Cancer Institute; Amsterdam Netherlands
2. Epidemiology; The Netherlands Cancer Institute; Amsterdam Netherlands
3. Clinical Oncology; Leiden University Medical Center; Leiden Netherlands
4. Radiation Oncology; Erasmus MC Cancer Institute; Rotterdam Netherlands
5. Hematology; University Medical Center Utrecht; Utrecht Netherlands
6. Department of Radiotherapy; University Medical Center Utrecht; Utrecht Netherlands
7. Hematology; VU Medical Center; Amsterdam Netherlands
8. Hematology; Erasmus MC Cancer Institute; Rotterdam Netherlands
9. Radiotherapy; Radboud University Medical Center; Nijmegen Netherlands
10. Hematology; Radboud University Medical Center; Nijmegen Netherlands