Affiliation: | 1. Graduate School of Health Sciences, Gunma University, , Maebashi, Japan;2. Department of Rehabilitation, Gunma University of Health and Welfare, , Maebashi, Japan;3. School of Health Care, Takasaki University of Health and Welfare, , Takasaki, Japan;4. Department of Rehabilitation Medicine, University of Occupational and Environmental Health, , Fukuoka, Japan;5. Tokyo Metropolitan Institute of Gerontology, , Tokyo, Japan |