| Affiliation: | 1. Department of Prosthodontics, Gerodontology and Oral Rehabilitation, Osaka University Graduate School of Dentistry, Osaka, Japan;2. Department of Clinical Thanatology and Geriatric Behavioral Science, Osaka University Graduate School of Human Sciences, Osaka, Japan;3. Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan;4. Osaka University Graduate School of Allied Health Sciences, Osaka, Japan;5. Osaka University Graduate School of Medicine, Osaka, Japan;6. Center for Supercentenarian Medical Research, Keio University School of Medicine, Tokyo, Japan |
