1. Gerontology Research Center, Faculty of Sport and Health SciencesUniversity of Jyväskylä Jyväskylä Finland
2. Department of Obstetrics and Gynecology, Pelvic Floor Research and Therapy UnitCentral Finland Central Hospital Jyväskylä Finland
3. Faculty of Sport and Health SciencesUniversity of Jyväskylä Jyväskylä Finland