1. University of Calgary, Calgary, AB, Canada
2. Departments of Surgery, Foothills Medical Centre, 1403 29 Street NW, Calgary, AB, Canada T2N 2T9
3. Critical Care Medicine, Foothills Medical Centre, 1403 29 Street NW, Calgary, AB, Canada T2N 2T9
4. The Regional Trauma Program, Foothills Medical Centre, 1403 29 Street NW, Calgary, AB, Canada T2N 2T9
5. Anesthesia, Foothills Medical Centre, 1403 29 St NW, Calgary, Alberta, Canada T2N 2T9