[1] Univ Plymouth, Fac Hlth & Human Sci, Sch Nursing & Midwifery, Plymouth, Devon, England
[2] Derriford Hosp, Emergency Dept, Plymouth, Devon, England
[3] Monash Univ, Fac Med Nursing & Hlth Sci, Sch Nursing & Midwifery, Clayton, Vic, Australia
[4] Royal Ctr Def Med, Acad Dept Mil Emergency Med, Birmingham, W Midlands, England