1. Department of Epidemiology and Preventive Medicine, Monash University; Melbourne, Victoria Australia
2. Emergency and Trauma Centre The Alfred; Melbourne, Victoria Australia
3. Bolton Clarke Research Institute, Bolton Clarke; Melbourne, Victoria Australia
4. Trauma Service The Alfred; Melbourne, Victoria Australia
5. National Trauma Research Institute, Royal Melbourne Hospital; Melbourne, Victoria Australia
6. Department of General Surgery, Royal Melbourne Hospital; Melbourne, Victoria Australia
7. Department of Surgery; University of Melbourne; Melbourne, Victoria Australia
8. Farr Institute; Swansea University Medical School; Swansea UK