1. Netherlands Comprehensive Cancer Organisation Utrecht The Netherlands
2. Netherlands Association for Palliative Care Utrecht The Netherlands
3. Radboud University Medical Centre Nijmegen The Netherlands
4. Rode Kruis Ziekenhuis Beverwijk The Netherlands
5. University Medical Centre Utrecht Utrecht The Netherlands
6. Leiden University Medical Centre Leiden The Netherlands
7. Erasmus Medical Centre Rotterdam The Netherlands
8. Maxima MC Veldhoven The Netherlands