1. LIKES Research Centre for Physical Activity and Health Jyväskylä Finland
2. Gerontology Research Center, Faculty of Sport and Health Sciences University of Jyväskylä Jyväskylä Finland
3. Faculty of Sport and Health Sciences University of Jyväskylä Jyväskylä Finland
4. Division of Social Services and Health Care City of Helsinki Finland
5. Faculty of Technology University of Turku Turku Finland
6. Department of Psychology and Department of Physical Therapy, Movement and Rehabilitation Sciences Northeastern University Boston MA USA