1. Department of Medical Oncology, Erasmus Medical Center Cancer Institute, Rotterdam, the Netherlands
2. Department of Public Health, Erasmus Medical Center, Rotterdam, the Netherlands
3. Laurens Cadenza, Rotterdam, the Netherlands
4. Department of Medical Oncology, Amsterdam University Medical Centers, Cancer Center Amsterdam, the Netherlands
5. Hospice Kuria, Amsterdam, the Netherlands
6. Hospice Calando, Dirksland, the Netherlands
7. Palliative Care Unit “de Regenboog,” Rotterdam, the Netherlands