Mao-Sheng Ran, an experienced social psychiatrist, is a Research Associate in the Centre for Suicide Research and Prevention, University of Hong Kong. Meng-Ze Xiang is a Professor of Psychiatry in West China Medical School of Sichuan University. Peggy Simpson is an Assistant Professor in the Department of Nursing Studies, University of Hong Kong. Cecilia Lai-wan Chan is a Professor of Social Work and the Director of Behavioral Health, University of Hong Kong.