[1] Flinders Univ S Australia, Coll Med & Publ Hlth, Adelaide, SA, Australia
[2] Consortium Australian Acad Psychiatrists Independe, Canberra, ACT, Australia
[3] Australian Natl Univ, Canberra Hosp, Sch Med & Psychol, Acad Unit Psychiat & Addict Med, Canberra, ACT, Australia
[4] Univ Queensland, Princess Alexandra Hosp, Sch Med, Ipswich Rd, Brisbane, Qld, Australia
[5] Monash Univ, Dept Psychiat, Clayton, Vic, Australia