[1] Osaka University,Division of Health Sciences
[2] Graduate School of Medicine,Department of Geriatric and General Medicine
[3] Osaka University Graduate School of Medicine,Department of Clinical Thanatology and Geriatric Behavioral Sciences
[4] Osaka University Graduate School of Human Sciences,Center of Supercentenarian Medical Research
[5] Tokyo Metropolitan Geriatric and Hospital and Institute of Gerontology,Department of Prosthodontics and Oral Rehabilitation
[6] Keio University School of Medicine,undefined
[7] Osaka University Graduate School of Medicine,undefined