1. Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada
2. Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada
3. Department of Radiology, University of Calgary, Calgary, Alberta, Canada
4. Department of Radiology, McMaster University, Hamilton, Ontario, Canada
5. Department of Radiology, McGill University, Montréal, Québec, Canada
6. Department of Radiology, Université de Montréal, Montreal, Québec, Canada
7. Department of Medical Imaging, Western University, London, Ontario, Canada
8. Department of Radiology, University of Ottawa, Ottawa, Ontario, Canada
9. Department of Diagnostic Radiology, Dalhousie University, Halifax, Nova Scotia, Canada