1. Department of Health Policy Science, Graduate School of Medical Science, Yamagata University
2. Department of Epidemiology and Public Health, University College London
3. Department of Social Welfare, Nihon Fukushi University
4. Cancer Control Center, Osaka International Cancer Institute
5. Faculty of Health and Sport Sciences, University of Tsukuba
6. Department of Social Science, National Center for Geriatrics and Gerontology
7. Department of Social Preventive Medical Sciences, Center for Preventive Medical Sciences, Chiba University
8. Department of International and Community Oral Health, Tohoku University Graduate School of Dentistry
9. Division for Regional Community Development, Liaison Center for Innovative Dentistry, Graduate School of Dentistry, Tohoku University