[1] Telethon Kids Inst, Walyan Resp Res Ctr, Perth, WA, Australia
[2] Telethon Kids Inst, Perioperat Med, Perth, WA, Australia
[3] Curtin Univ, Curtin Sch Populat Hlth, Perth, WA, Australia
[4] Univ Western Australia, Med Sch, Div Emergency Med Anesthesia & Pain Med, Perth, WA, Australia
[5] Perth Childrens Hosp, Dept Anaesthesia & Pain Management, Perth, WA, Australia
[6] Curtin Univ, Sch Civil & Mech Engn, Fluid Dynam Res Grp, Perth, Australia