[1] Univ Sydney, Susan Wakil Sch Nursing & Midwifery, Fac Med & Hlth, Camperdown, NSW, Australia
[2] St Vincents Hlth Network, Victoria St, Darlinghurst, NSW, Australia
[3] Wollongong Hosp, Illawarra Shoalhaven Local Hlth Dist, Emergency Serv, Crown St, Wollongong, NSW, Australia
[4] Univ Technol Sydney, Fac Hlth, Sydney, NSW, Australia
[5] Northern Sydney Local Hlth Dist, Sydney, NSW, Australia