[1] Royal Childrens Hosp, Murdoch Childrens Res Inst, Ctr Adolescent Hlth, Melbourne, Vic, Australia
[2] Univ Melbourne, Melbourne Sch Populat & Global Hlth, Ctr Mental Hlth, Melbourne, Vic, Australia
[3] Kings Coll London, Inst Psychiat Psychol & Neurosci, Hlth Serv & Populat Res Dept, London, England
[4] Univ Melbourne, Dept Psychiat, Melbourne, Vic, Australia
[5] Univ Melbourne, Dept Paediat, Melbourne, Vic, Australia