1. Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine
2. Osaka Center for Cancer and Cardiovascular Disease Prevention
3. Department of Public Health and Nursing, Faculty of Medicine, University of Tsukuba
4. Department of Public Health Medicine, Faculty of Medicine, and Health Services Research and Development Center, University of Tsukuba
5. Ibaraki Western Medical Center
6. Yao City Public Health Center
7. School of Medicine, Dokkyo University
8. Department of Epidemiology, School of Medicine, Fukushima Medical University
9. Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology