1. Department of Geriatric and General Medicine Osaka University Graduate School of Medicine Suita Japan
2. Department of General and Geriatric Medicine Kawasaki Medical School Okayama Japan
3. National Center for Geriatrics and Gerontology Obu Japan
4. Department of Geriatric Medicine Kyorin University School of Medicine Tokyo Japan
5. Center for Frailty and Locomotive Syndrome, National Center for Geriatrics and Gerontology Obu Japan
6. Graduate School of Comprehensive Human Sciences, Faculty of Health and Sport Sciences University of Tsukuba Tsukuba Japan
7. Department of Neurology and Geriatric Medicine Ehime University Graduate School of Medicine Toon Japan
8. Geriatric Health Services Faculty Tatsumanosato Daito Japan
9. Department of Geriatric Medicine, Graduate School of Medicine The University of Tokyo Tokyo Japan