1. Mentech, Eindhoven, The Netherlands
2. Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
3. Department of Medicine for Older People, Amsterdam UMC, Location VUmc, Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
4. University Network of the Care Sector Zuid Holland, Leiden, The Netherlands
5. Prinsenstichting, Care Center for People with Intellectual Disabilities, Purmerend, The Netherlands