[1] Macquarie Univ, Australian Inst Hlth Innovat, Ctr Hlth Syst & Safety Res, Sydney, NSW 2109, Australia
[2] Baylor Coll Med, Houston VA HSR&D Ctr Innovat Qual Effectiveness &, Michael E DeBakey Vet Affairs Med Ctr, Dept Med, Houston, TX 77030 USA
[3] Concord Repatriat & Gen Hosp, Emergency Dept, Sydney, NSW, Australia
[4] Univ Adelaide, Dept Anaesthesia & Intens Care, Joanna Briggs Inst, Adelaide, SA, Australia