1. Mental Health and Nursing Research Team, Mental Health Promotion ProjectTokyo Metropolitan Institute of Medical Science Tokyo Japan
2. Department of Psychiatric Nursing, Graduate School of MedicineThe University of Tokyo Tokyo Japan
3. Graduate School of Health and Social Services ManagementNihon Fukushi University Mihama‐cho Japan
4. Bureau of Strategic PlanningNational Center for Geriatrics and Gerontology Morioka‐cho Japan
5. Mental Health Promotion ProjectTokyo Metropolitan Institute of Medical Science Tokyo Japan