[1] Australian Natl Univ, Canberra Hosp, Acad Unit Psychiat & Addict Med, Sch Med & Psychol, Canberra, ACT, Australia
[2] Canberra Hosp, Dept Psychiat, Garran, ACT, Australia
[3] Consortium Australian Acad Psychiatrists Independ, Canberra, ACT, Australia
[4] Flinders Univ S Australia, Coll Med & Publ Hlth, Adelaide, SA, Australia
[5] Monash Univ, Dept Psychiat, Clayton, Vic, Australia
[6] Univ Queensland, Princess Alexandra Hosp, Sch Med, Woolloongabba, Qld, Australia
[7] Dalhousie Univ, Dept Psychiat, Halifax, NS, Canada
[8] Dalhousie Univ, Dept Community Hlth, Halifax, NS, Canada
[9] Dalhousie Univ, Dept Epidemiol, Halifax, NS, Canada
[10] Univ Melbourne, Psychiat, Grattan St, Parkville, Vic, Australia
[11] Royal Melbourne Hosp, Neuropsychiat NorthWestern Mental Hlth, Melbourne Hlth, Grattan St, Parkville, Vic, Australia