[1] Monash Hlth, Emergency Dept, Casey Hosp, Programme Emergency Med, Victoria, Australia
[2] Monash Univ, Sch Clin Sci, Monash Emergency Res Collaborat, Monash Hlth, Victoria, Australia
[3] Monash Univ, Fac Med Nursing & Hlth Sci, Victoria, Australia
[4] Bendigo Hlth, Victoria, Australia