1. Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
2. Joint Department of Medical Imaging, University Health Network, Toronto, ON, Canada
3. 16 Bit Inc., Toronto, ON, Canada
4. Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
5. Department of Radiology, Emory University, Atlanta, GA, USA
6. Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada
7. Department of Emergency Medicine, University Health Network, Toronto, ON, Canada