1. Department of Psychological Counseling, Mejiro University, Tokyo, Japan
2. Department of Human Sciences, University of Tsukuba, Ibaraki, Japan
3. Centre for Health Services Research, Faculty of Medicine, University of Queensland, Brisbane, Australia
4. City Board of Education, Suginami Ward Education Center, Tokyo, Japan
5. International Center for School-Based Youth Development, University of California Santa Barbara, Santa Barbara, CA, USA