1. Department of Radiology, University of British Columbia, Vancouver General Hospital, 899 W 12th Ave, Vancouver, BC V5Z 1M9, Canada
2. Joint Department of Medical Imaging, University Health Network–Mount Sinai Hospital–Women's College Hospital, University of Toronto, Toronto, ON, Canada
3. Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
4. Department of Radiology, University of Chicago, Chicago, IL
5. Department of Radiology and Division of Surgery and Interventional Science, University College London Hospital, NHS Foundation Trust, London, UK
6. Department of Urology and Division of Surgical and Interventional Science, University College London Hospitals Trust, London, UK