1. Research & Development, Netherlands Comprehensive Cancer Organisation (IKNL), Utrecht, The Netherlands.
2. Netherlands Association for Palliative Care, Utrecht, the Netherlands.
3. Stichting PaTz, Utrecht, the Netherlands.
4. Department of Palliative Care, Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands.
5. Thuiszorg Groot Gelre, Arnhem, the Netherlands.