1. Verpleging & VerzorgingNetherlands Institute for Health Services Research (Nivel) Utrecht The Netherlands
2. MaasveldMedische Dienst, Koraal Maastricht The Netherlands
3. Expertise Centre for Palliative CareMaastricht University Medical Centre Maastricht The Netherlands
4. Department of Family Medicine, Faculty of Health, Medicine and Life ScienceMaastricht University Maastricht The Netherlands
5. Amsterdam Public Health Research Institute (APH)VU Medical Center Amsterdam The Netherlands
6. Expertise Center for Palliative Care AmsterdamVU Medical Center Amsterdam The Netherlands