1. a Taipei City Psychiatric Center, Taipei City Hospital , Taipei , Taiwan
2. b Institute of Public Health and Department of Public Health , National Yang-Ming University , Taipei , Taiwan
3. c Hong Kong Jockey Club Center for Suicide Research and Prevention , University of Hong Kong , Hong Kong
4. d Department of Social Work and Social Administration , University of Hong Kong , Hong Kong
5. e Journalism and Media Studies Center, The University of Hong Kong , Hong Kong
6. f Ju Shan Hospital , Taoyuan , Taiwan
7. g Department of Preventive Medicine , College of Medicine, Korea University , Republic of Korea
8. h School of Social and Community Medicine, University of Bristol , Bristol , UK