1. Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada
2. Vancouver Coastal Health Authority, Vancouver, British Columbia, Canada
3. Interior Health Authority, Kelowna, British Columbia, Canada
4. Department of Radiology, University of Ottawa, Ottawa, Ontario, Canada
5. Department of Diagnostic Imaging, The Ottawa Hospital, Ottawa, Ontario, Canada
6. KMH HealthCare Centres, Mississauga, Ontario, Canada
7. Joint Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada
8. Princess Margaret Hospital, Toronto, Ontario, Canada
9. University of Alberta, Edmonton, Alberta, Canada
10. Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Alberta, Canada
11. Medical Imaging Department, Ridge Meadows Hospital, Maple Ridge, British Columbia, Canada