1. Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
2. Outpatient clinic, Central Finland Health Care District, Jyväskylä, Finland
3. Faculty of Philosophy and Education, University of Jyväskylä, Jyvaskyla, Finland
4. GeroCenter Foundation for Aging Research & Development, University of Jyväskylä, Jyvaskyla, Finland