1. Division of International Health (Public Health), Niigata University Graduate School of Medical and Dental Sciences
2. Faculty of Nursing (Public Health Nursing), Niigata Seiryo University
3. Department of Active Ageing (donated by Tokamachi city, Niigata Japan), Niigata University Graduate School of Medical and Dental Sciences
4. Department of Community Medicine, Niigata University Graduate School of Medical and Dental Sciences
5. Niigata Health Service Center
6. Center for Preventative Medical Sciences, Chiba University
7. National Center for Geriatrics and Gerontology