1. Department of Social Sciences, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai, China
2. Daphne Cockwell School of Nursing, Faculty of Community Services, Toronto Metropolitan University, Toronto, Canada
3. School of Nursing, The University of British Columbia, Vancouver, Canada
4. School of Social Work, York University, Toronto, Canada
5. Department of Epidemiology, School of Public Health, Shandong University, Jinan, China
6. Department of Psychiatry, University of Toronto, Toronto, Canada
7. Department of Social Work, Shandong University, Jinan, China
8. Regent Park Community Health Center, Toronto, Canada