1. Doctoral Program in Human Care Science, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
2. Department of Social Psychiatry and Mental Health, School of Medicine and Medical Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
3. Public Health Degree Program, Faculty of Comprehensive Human Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
4. The Mental Health Center, Yunnan University, Kunming 650091, China
5. Graduate School of Letters, Arts and Sciences, Waseda University, Tokyo 162-8644, Japan