| Affiliation: | 1. Research Team for Promoting Independence of the Elderly, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan;2. Graduate School, Section of Oral Health Care Education, Tokyo Medical and Dental University, Tokyo, Japan;3. Department of Oral Disease, National Center for Geriatrics and Gerontology, Aichi, Japan;4. Human Care Research Team, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan;5. Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan;6. Department of Social Medicine, School of Medicine, Toho University, Tokyo, Japan;7. Graduate School, Section of Behavioral Dentistry, Tokyo Medical and Dental University, Tokyo, Japan |
