1. Section for Health Promotion, Department for Research and Development to Support Independent Life of Elderly; National Center for Geriatrics and Gerontology; Aichi Japan
2. Japan Foundation for Aging and Health; Aichi Japan
3. Research Institute; National Center for Geriatrics and Gerontology; Aichi Japan
4. Section for Physical Functioning Activation, Department of Functioning Activation; Center for Gerontology and Social Science; National Center for Geriatrics and Gerontology; Aichi Japan