1. Department of Neurology, University Hospital Geelong, Geelong, Australia.
2. Intensive Care Unit, The Alfred Hospital, Melbourne, Australia.
3. Ambulance Victoria, Doncaster, Australia.
4. Prehospital, Emergency and Trauma Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.
5. Australian and New Zealand Intensive Care–Research Center, Melbourne, Australia.
6. National Trauma Research Institute, The Alfred Hospital, Melbourne, Australia.
7. School of Primary and Allied Health Care, Monash University Peninsula Campus, Frankston, Australia.
8. Victorian Spinal Cord Service, Austin Hospital, Heidelberg, Australia.