1. Department of Medical Oncology Radboud University Medical Center Nijmegen HB The Netherlands
2. Department of Medical Oncology Erasmus MC Cancer Institute Rotterdam GD The Netherlands
3. Department of Internal Medicine Medical Center Leeuwarden Leeuwarden AD The Netherlands
4. Department of Internal Medicine Elisabeth TweeSteden Hospital Tilburg AD The Netherlands
5. Department of Internal Medicine Medical Center Haaglanden The Hague VA The Netherlands
6. Department of Medical Oncology Leiden University Medical Center Leiden ZA The Netherlands
7. Biostatistics, Radboud Institute for Health Sciences Radboud University Medical Center Nijmegen HB The Netherlands
8. Department of Psychosocial Research and Epidemiology Netherlands Cancer Institute Amsterdam CX The Netherlands
9. Division of Clinical Studies Institute of Cancer Research London UK
10. Department of Medical Oncology Netherlands Cancer Institute Amsterdam CX The Netherlands