1. Division of Care Innovation, Global Nursing Research Center, Graduate School of Medicine, The University of Tokyo, Japan
2. Hakononakanohako, General Incorporated Association, Tokyo, Japan
3. Research Department, Institute for Health Economics and Policy, Association for Health Economics Research and Social Insurance and Welfare, Tokyo, Japan
4. Bunkyo Showa Senior Citizen Home Service Center, Tokyo, Japan
5. Long-Term Care Health Facility, Peace Plaza, Seishinkai Medical Corporation, Tokyo, Japan