1. Gerontology Research Center and Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
2. The Wellbeing Services County of Central Finland, Jyväskylä, Finland
3. School of Medicine, University of Eastern Finland, Kuopio, Finland
4. Faculty of Education and Psychology, University of Jyväskylä, Jyväskylä, Finland