[1] Perth Childrens Hosp, Dept Resp & Sleep Med, Nedlands, WA, Australia
[2] Univ Western Australia, Med Sch, Div Pediat, Crawley, WA, Australia
[3] Telethon Kids Inst, Perioperat Med Team, Nedlands, WA, Australia
[4] Univ Western Australia, Med Sch, Div Emergency Med Anesthesia & Pain Med, Crawley, WA, Australia
[5] Perth Childrens Hosp, Dept Anesthesia & Pain Management, Nedlands, WA, Australia
[6] Perth Childrens Hosp, Dept Otolaryngol Head & Neck Surg, Nedlands, WA, Australia
[7] Univ Western Australia, Ctr Sleep Sci, Sch Human Sci, Crawley, WA, Australia
[8] Sir Charles Gairdner Hosp, West Australian Sleep Disorders Res Inst, Dept Pulm Physiol & Sleep Med, Nedlands, WA, Australia
[9] Univ Western Australia, Dept Math & Stat, Crawley, WA, Australia
[10] Flinders Univ S Australia, Coll Med & Publ Hlth, Flinders Hlth & Med Res Inst, Adelaide, SA, Australia