1. Amsterdam UMC location University of Amsterdam, Department of Medical Psychology, Amsterdam, The Netherlands
2. Amsterdam Public Health Research Institute, Quality of Care Program, Amsterdam, The Netherlands
3. Cancer Center Amsterdam, Cancer Treatment and Quality of Life, Amsterdam, The Netherlands
4. Dutch Federation of Cancer Patient Organizations (NFK), Utrecht, The Netherlands
5. Amsterdam UMC location University of Amsterdam, Department of Medical Oncology, Amsterdam, The Netherlands
6. Amsterdam UMC Location University of Amsterdam, Department of General Practice, Amsterdam, The Netherlands