1. Department of Dentistry and Oral Surgery National Center for Geriatrics and Gerontology Aichi Japan
2. Department of Rehabilitation Sciences Kobe University Graduate School of Health Sciences Hyogo Japan
3. Department of Prevention and Care Science, Research Institute National Center for Geriatrics and Gerontology Aichi Japan
4. Department of Health Care Administration and Management Kyushu University Graduate School of Medical Sciences Fukuoka Japan
5. Department of Physical Activity Research National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition Tokyo Japan
6. Department of Public Health Kobe University Graduate School of Health Sciences Hyogo Japan