1. Department of Radiology, University of Minnesota Medical School Twin Cities, 420 Delaware St, B212-1 Mayo Memorial Bldg, MMC 292, Minneapolis, MN 55455.
2. Department of Medical Imaging, University Health Network, Mount Sinai Hospital, Women's College Hospital, University of Toronto, ON, Canada.
3. Department of Radiology, University of Colorado School of Medicine, Denver, CO.
4. Department of Urologic Oncology, NYU Langone Medical Center, New York, NY.
5. Department of Radiology, Weill Cornell Medical College, New York, NY.
6. Department of Radiology, NYU Langone Medical Center, New York, NY.