1. Department of Medical Psychology, Amsterdam Public Health Research Institute, Cancer Center Amsterdam, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
2. Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
3. Department of Medical Oncology, Flevoziekenhuis, Almere, the Netherlands
4. Department of Medical Oncology, Radboud University Medical Center, Radboud University, Nijmegen, the Netherlands
5. Department of Medical Oncology, Isala Klinieken, Zwolle, the Netherlands
6. Department of Medical Oncology, BovenIJ Ziekenhuis, Amsterdam, the Netherlands
7. Department of Medical Oncology, Catharina Ziekenhuis, Eindhoven, the Netherlands
8. Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands