1. Gerontology Research Center and Faculty of Sport and Health Sciences University of Jyväskylä Jyväskylä Finland
2. Faculty of Sport and Health Sciences University of Jyväskylä Jyväskylä Finland
3. Neuromuscular Research Center, Faculty of Sport and Health Sciences University of Jyväskylä Jyväskylä Finland
4. School of Sport and Exercise University of Gloucestershire Cheltenham UK
5. Department of Obstetrics and Gynecology Central Finland Health Care District Jyväskylä Finland
6. Department of Psychology University of Jyväskylä Jyväskylä Finland