Affiliation: | 1. Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Japan;2. Institute of Gerontology, J.F. Oberlin University, Machida-shi, Japan;3. Department of Biomedical Science and Technology, College of Medicine, East-West Medical Research Institute, Kyung Hee University, Seoul, Republic of Korea;4. Research Team for Human Care, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Japan |