1. Department of General Practice and Elderly Care Medicine Amsterdam UMC Vrije Universiteit Amsterdam Amsterdam Public Health Research Institute Amsterdam The Netherlands
2. Department of Public and Occupational Health, Expertise Center for Palliative Care Amsterdam UMC Vrije Universiteit Amsterdam Amsterdam Public Health Research Institute Amsterdam The Netherlands
3. Nivel. Netherlands Institute for Health Services Research Utrecht The Netherlands
4. Department of Epidemiology and Biostatistics Amsterdam UMC Vrije Universiteit Amsterdam Amsterdam Public Health Research Institute Amsterdam The Netherlands
5. Geriatric Department Jeroen Bosch Hospital ‘s‐Hertogenbosch The Netherlands