1. Prehospital Resuscitation and Emergency Care Research Unit, Faculty of Health Sciences, Curtin University and Research Fellow, ICU Royal Perth Hospital, Bentley, Western Australia
2. Intensive Care Unit, Royal Perth Hospital, Perth, Western Australia
3. School of Nursing & Midwifery, Curtin Health Innovation Research Institute, Faculty Health Science, Curtin University, Perth, Western Australia
4. School of Medicine and Pharmacology, The University of Western Australia, Crawley, Western Australia