1. Social Services and Health Care, City of Helsinki, Finland
2. Department of General Practice and Primary Health Care, University of Helsinki, Finland
3. Unit of Primary Health Care, Helsinki University Hospital, Finland
4. Clinics of Internal Medicine and Geriatrics, Helsinki University Hospital, Finland
5. Department of Internal Medicine and Geriatrics, University of Helsinki, Finland
6. City of Espoo, Elderly Care, Finland
7. The Finnish Association for the Welfare of Older People, Finland