1. Department of Geriatric and General Medicine; Osaka University Graduate School of Medicine; Suita Japan
2. Department of Geriatric Medicine; Graduate School of Medicine, The University of Tokyo Hospital; Tokyo Japan
3. Department of Diabetes, Metabolism and Endocrinology; Tokyo Metropolitan Geriatric Hospital; Tokyo Japan
4. Department of Geriatric Medicine; Kyorin University, School of Medicine; Mitaka Japan
5. Department of Clinical Research Promotion, Innovation Center for Clinical Research; National Center for Geriatrics and Gerontology; Obu Japan
6. Department of Ophthalmology; Kyoto Prefectural University of Medicine; Kyoto Japan
7. Department of Frailty Research, Center for Gerontology and Social Science; National Center for Geriatrics and Gerontology; Obu Japan
8. National Center for Geriatrics and Gerontology; Obu Japan