1. Department of Social Work and Social Administration, The University of Hong Kong, PRC
2. Centre for Suicide Research and Prevention, The University of Hong Kong, PRC
3. Department of Psychiatry, Pamela Youde Nethersole Eastern Hospital, Hong Kong, PRC
4. United Christian Hospital, Department of Psychiatry, Hong Kong, PRC
5. Accident and Emergency Department, Pamela Youde Nethersole Eastern Hospital, Hong Kong, PRC