1. EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands.
2. Department of Nursing Home Medicine, VU University Medical Center, Amsterdam, The Netherlands.
3. Department of Public and Occupational Health, VU University Medical Center, Amsterdam, The Netherlands.
4. Lino Maestroni Foundation-Palliative Medicine Research Institute, Cremona, Italy.
5. Institute for Health Economics and Policy, Tokyo, Japan.
6. Department of Clinical Epidemiology and Biostatistics, Division of Palliative Care, Department of Family Medicine, McMaster University, Hamilton, Ontario, Canada.
7. St. Joseph's Health System Research Network, Hamilton, Canada.
8. Department of Family Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada.