1. Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
2. Department of General Practice & Elderly Care Medicine, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
3. Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
4. Department of Geriatrics, Ghent University Hospital, Ghent, Belgium
5. Vrije Universiteit Brussel, End-of-life Care Research Group Vrije Universiteit Brussel and Ghent University, Brussels, Belgium
6. NIVEL, Netherlands Institute for Health Services Research, Utrecht, The Netherlands