1. Department of Medical Imaging, University of Toronto, 263 McCaul St, 4th Fl, Toronto, ON M5T 1W7, Canada.
2. Division of Trauma, St. Michael's Hospital, Toronto, ON, Canada.
3. Division of General Surgery, St. Michael's Hospital, Toronto, ON, Canada.
4. Division of Critical Care Medicine, St. Michael's Hospital, Toronto, ON, Canada.
5. Department of Urology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
6. Department of Medical Imaging, St. Michael's Hospital, Toronto, ON, Canada.