1. Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
2. International Research Institute of Disaster Science, Tohoku University, Sendai, Japan
3. Smart-Ageing Research Center, Tohoku University, Sendai, Japan
4. Graduate School of International Cultural Studies, Tohoku University, Sendai, Japan
5. Division of Psychiatry, Tohoku Medical and Pharmaceutical University, Sendai, Japan