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