1. Department of Orthopedic Surgery; Nagoya University Graduate School of Medicine; Nagoya Japan
2. Department of Orthopedic Surgery; National Center for Geriatrics and Gerontology; Obu Japan
3. Faculty of Education; Kochi University; Kochi Japan
4. Section of NILS-LSA; Center for Gerontology and Social Science; National Center for Geriatrics and Gerontology; Obu Japan
5. Faculty of Health and Medical Science; Aichi Shukutoku University; Nagakute Japan
6. Graduate School of Nutritional Sciences; Nagoya University of Arts and Sciences; Nisshin Japan