1. Department of Diagnostic Radiology, McGill University Health Centre, Montreal, Quebec, Canada
2. St. Michael’s Hospital, Toronto, Ontario, Canada
3. Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada
4. Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
5. Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
6. Toronto Western Hospital, Toronto, Ontario, Canada
7. The Hospital for Sick Children, Toronto, Ontario, Canada