1. Department of Psychosocial Research and Epidemiology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
2. Division of Clinical Studies, Institute of Cancer Research and Royal Marsden NHS Foundation Trust, London, United Kingdom
3. Center of Research on Psychology in Somatic diseases, Department of Medical and Clinical Psychology, Tilburg University, Tilburg, The Netherlands
4. The Netherlands Comprehensive Cancer Organisation, Utrecht, The Netherlands
5. Department of Medical Oncology, The Netherlands Cancer Institute – Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
6. Department of Medical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands