1 Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), School of Nursing, Midwifery and Paramedicine, Curtin University, Bentley, WA, Australia. Electronic address: milena.talikowska@postgrad.curtin.edu.au.
2 Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), School of Nursing, Midwifery and Paramedicine, Curtin University, Bentley, WA, Australia; Discipline of Emergency Medicine, University of Western Australia, Crawley, WA, Australia.
3 Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), School of Nursing, Midwifery and Paramedicine, Curtin University, Bentley, WA, Australia; St John Ambulance Western Australia, Belmont, WA, Australia.
4 Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), School of Nursing, Midwifery and Paramedicine, Curtin University, Bentley, WA, Australia; St John Ambulance Western Australia, Belmont, WA, Australia; Emergency Department, St John of God Murdoch Hospital, Perth, WA, Australia.
5 Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), School of Nursing, Midwifery and Paramedicine, Curtin University, Bentley, WA, Australia; Discipline of Emergency Medicine, University of Western Australia, Crawley, WA, Australia; St John Ambulance Western Australia, Belmont, WA, Australia; School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia.