[1] Univ Melbourne, Carlton, Vic, Australia
[2] Murdoch Childrens Res Inst, Ctr Adolescent Hlth, Melbourne, Australia
[3] Kings Coll London, Inst Psychiat Psychol & Neurosci, Hlth Serv & Populat Res Dept, Denmark Hill, London, England
[4] Univ Melbourne, Melbourne Sch Psychol Sci, Melbourne, Australia
[5] Univ Melbourne, Dept Paediat, Melbourne, Australia
[6] Murdoch Childrens Res Inst, Clin Epidemiol & Biostatist Unit, Melbourne, Australia
[7] Univ Melbourne, Melbourne Sch Global & Populat Hlth, Ctr Epidemiol & Biostat, Melbourne, Australia
[8] Univ Bristol, Bristol Med Sch, Dept Populat Hlth Sci, Ctr Acad Mental Hlth, Bristol, Avon, England
[9] Univ Oregon, Dept Psychol, Eugene, OR USA
[10] Childrens Policy Res Unit Univ Coll London, London, England
[11] UNSW Sydney, Natl Drug & Alcohol Res Ctr, Sydney, NSW, Australia
[12] Helsinki Univ Hosp, Helsinki Childrens Hosp, Pediat Res Ctr, Helsinki, Finland
[13] Univ Helsinki, Helsinki, Finland
[14] Med Serv Children & Adolescents, Social Serv & Hlth Care Div, Helsinki, Finland