[1] Med Univ Vienna, Unit Suicide Res & Mental Hlth Promot, Dept Social & Prevent Med, Ctr Publ Hlth, Kinderspitalgasse 15, A-1090 Vienna, Austria
[2] Wiener Werkstaette Suicide Res, Vienna, Austria
[3] Univ Melbourne, Melbourne Sch Populat & Global Hlth, Ctr Mental Hlth, Melbourne, Vic, Australia
[4] Wayne State Univ, Dept Criminol, Detroit, MI USA
[5] Wayne State Univ, Dept Psychiat, Detroit, MI USA
[6] Sunnybrook Hlth Sci Ctr, Dept Psychiat, Toronto, ON, Canada
[7] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[8] Univ Vienna, Sch Psychol, Dept Basic Psychol Res & Res Methods, Vienna, Austria
[9] Chinese Univ Hong Kong, Dept Social Work, Hong Kong, Peoples R China
[10] Univ Vienna, Dept Commun, Vienna, Austria
[11] Katholieke Univ Leuven, Sch Mass Commun Res, Leuven, Belgium
[12] Univ Hong Kong, Ctr Suicide Res & Prevent, Hong Kong, Peoples R China
[13] Univ Hong Kong, Dept Social Work & Social Adm, Hong Kong, Peoples R China