1 Division of Emergency, Trauma and Acute Care Radiology Department of Medical Imaging, St. Michael's Hospital, Unity Health Toronto, University of Toronto.
2 Division of Neuroradiology, Department of Medical Imaging, St. Michael's Hospital, Unity Health Toronto, University of Toronto.
3 Medical Imaging Office of Research and Innovation, Li Ka Shing Knowledge Institute, 30 Bond St, Toronto, ON, Canada M5B 1W8.