1. Department of Public Health, Graduate School of Medicine, Chiba University
2. Department of Health Education and Health Sociology, School of Public Health, the University of Tokyo
3. Homecare Clinic
4. Division of Health and Nutrition, University of Niigata Prefecture
5. Department of Gerontological Evaluation, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology
6. Department of International Health and Collaboration, National Institute of Public Health
7. Department of Global Health Promotion, Tokyo Medical and Dental University (TMDU)
8. Research Fellow of Japan Society for the Promotion of Science
9. Center for Well-being and Society, Nihon Fukushi University