1. School of Occupational Therapy and Social Work, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
2. Centre for Population Health Research, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
3. Centre for Clinical Research in Emergency Medicine, Harry Perkins Institute of Medical Research and The University of Western Australia, Perth, WA, Australia
4. Department of Emergency Medicine, Royal Perth Hospital, Perth, WA, Australia