1. Department of General Practice and Elderly Care Medicine and EMGO+ Institute for Health and Care Research, VUmc Expertise Center for Palliative Care; VU University Medical Center; Amsterdam The Netherlands
2. End-of-Life Care Research Group; Ghent University and Vrije Universiteit Brussel; Brussels Belgium
3. Department of Primary care and Community Care; Radboud University Medical Center; Nijmegen The Netherlands
4. Joachim and Anna, Center for Specialized Geriatric Care; Nijmegen The Netherlands
5. Radboud Alzheimer Centre; Nijmegen The Netherlands
6. Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VUmc Expertise Center for Palliative Care; VU University Medical Center; Amsterdam The Netherlands
7. Department of Public Health and Primary Care; Leiden University Medical Center; Leiden The Netherlands