1 Department of Psychiatry, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
2 Department of Psychiatry, University of Toronto, ON, Canada.
3 Media Advisory Service, Samaritans, Surrey, UK.
4 National Council for Suicide Prevention, Burnsville, MN, USA.
5 The Hong Kong Jockey Club Centre for Suicide Research and Prevention, The University of Hong Kong, Hong Kong SAR, PR China.
6 Department of Social Work and Social Administration, The University of Hong Kong, Hong Kong SAR, PR China.
7 Unit Suicide Research & Mental Health Promotion, Department of Social and Preventive Medicine, Centre for Public Health, Medical University of Vienna, Austria.
8 Wiener Werkstaette for Suicide Research, Vienna, Austria.