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