[1] Royal Childrens Hosp, Murdoch Childrens Res Inst, Ctr Adolescent Hlth, Flemington Rd, Parkville, Vic 3052, Australia
[2] La Trobe Univ, Sch Psychol & Publ Hlth, Melbourne, Vic 3086, Australia
[3] Murdoch Childrens Res Inst, Clin Epidemiol & Biostat Unit, Parkville, Vic 3052, Australia
[4] Univ Melbourne, Royal Childrens Hosp, Dept Paediat, Ctr Adolescent Hlth,Adolescent Hlth, Flemington Rd, Parkville, Vic 3052, Australia
[5] Australian Council Educ Res, Adelaide, SA, Australia
[6] Flinders Univ S Australia, Sch Social & Policy Studies, GPO Box 2100, Adelaide, SA 5001, Australia
[7] Royal Childrens Hosp, Ctr Adolescent Hlth, Flemington Rd, Parkville, Vic 3052, Australia
[8] Univ Oregon, Dept Psychol, Clin Psychol, Eugene, OR 97403 USA
[9] Univ Melbourne, Adolescent Hlth Res, Melbourne, Vic, Australia
[10] Royal Childrens Hosp, Melbourne, Vic, Australia