1. Department of Rehabilitation, South Karelia Social and Health Care District (Eksote) Lappeenranta Finland
2. Faculty of Sport and Health Sciences University of Jyväskylä Jyväskylä Finland
3. Gerontology Research Center and Faculty of Sport and Health Sciences University of Jyväskylä Jyväskylä Finland
4. Department of General Practice University of Helsinki Helsinki Finland
5. Institute of Rehabilitation JAMK University of Applied Sciences Jyväskylä Finland
6. Raatimiehet Oy Lappeenranta Finland
7. Unit of Primary Health Care Helsinki University Hospital Helsinki Finland