| Affiliation: | 1. Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, the Netherlands;2. Department of General Practice and Elderly Care Medicine, Amsterdam Public Health Research Institute, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands;3. Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, VU University Medical Center, Amsterdam, the Netherlands Netherlands Institute for Health Services Research (NIVEL), Utrecht, the Netherlands |
