[1] Monash Med Ctr, Dept Emergency Med, Melbourne, Vic, Australia
[2] Monash Univ, Sch Clin Sci, Dept Paediat, Melbourne, Vic, Australia
[3] Murdoch Childrens Res Inst, Clin Sci, Melbourne, Vic, Australia
[4] Royal Childrens Hosp, Dept Emergency Med, Melbourne, Vic, Australia
[5] Univ Melbourne, Dept Paediat, Melbourne, Vic, Australia
[6] Univ Melbourne, Melbourne Sch Psychol Sci, Melbourne, Vic, Australia
[7] Murdoch Childrens Res Inst, Melbourne, Vic, Australia
[8] Perth Childrens Hosp, Dept Emergency Med, Perth, WA, Australia
[9] Univ Western Australia, Sch Med, Perth, WA, Australia
[10] Monash Univ, Dept Psychiat, Melbourne, Vic, Australia
[11] Univ Warwick, Coventry, England
[12] Deakin Univ, Ctr Social & Early Emot Dev SEED, Sch Psychol, Melbourne, Vic, Australia
[13] Monash Univ, Melbourne, Vic, Australia
[14] Univ Adelaide, Dept Acute Care Med, Adelaide, SA, Australia
[15] Womens & Childrens Hosp, Dept Emergency Med, Adelaide, SA, Australia
[16] Univ Melbourne, Melbourne, Vic, Australia
[17] Univ Oxford, Dept Psychiat, Oxford, England
[18] Curtin Univ, Perth, WA, Australia
[19] Royal Childrens Hosp, Hlth Serv Res Unit, Melbourne, Vic, Australia
[20] Monash Hlth, Early Life Mental Hlth Serv, Melbourne, Vic, Australia
[21] Univ Auckland, Dept Surg, Auckland, New Zealand
[22] Starship Childrens Hlth, Emergency Dept, Auckland, New Zealand
[23] Monash Univ, Dept Epidemiol & Prevent Hlth, Melbourne, Vic, Australia
[24] Silverchain, Dept Res & Innovat, Melbourne, Vic, Australia
[25] Ambulance Victoria, Melbourne, Vic, Australia