1. Department of Psychosocial Oncology and Epidemiology,The Netherlands Cancer Institute, Amsterdam, Netherlands
2. Erasmus Medical Center Cancer Institute, Department of Radiation Oncology, Rotterdam, Netherlands
3. Leiden University Medical Center, Department of Clinical Oncology, Leiden, Netherlands
4. Department of Hematology, Radboud University Medical Center, Nijmegen, Netherlands
5. Department of Hematology, University Medical Center Utrecht, Utrecht, Netherlands
6. Department of Radiation Oncology, The Netherlands Cancer Institute, Amsterdam, Netherlands