1. Department of Medical Psychology, Academic Medical Center, University of Amsterdam, The Netherlands
2. Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
3. Cancer Center Amsterdam, Amsterdam, The Netherlands
4. Department of Medical Oncology, Academic Medical Center, University of Amsterdam, The Netherlands
5. Department of Epidemiology and Biostatistics, VU Medical Center, Amsterdam, The Netherlands
6. Knowledge and Evaluation Research Unit, Mayo Clinic, Rochester, Minnesota, USA
7. Department of Medical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands
8. Department of Internal Medicine, BovenIJ Hospital, Amsterdam, The Netherlands
9. Department of Medical Oncology, Catharina Cancer Institute, Eindhoven, The Netherlands
10. Department of Internal Medicine, Flevo Hospital, Almere, The Netherlands
11. Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands