1. Department of Epidemiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama University; Okayama Japan
2. Department of Human Ecology, Graduate School of Environmental and Life Science; Okayama University; Okayama Japan
3. National Hospital for Geriatric Medicine; National Center for Geriatrics and Gerontology; Aichi Japan
4. Nagoya Heart Center; Aichi Japan
5. Program of Health Promotion and Exercise; National Institute of Health and Nutrition; Tokyo Japan
6. Department of Nutritional Education; National Institutes of Biomedical Innovation, Health and Nutrition; Tokyo Japan