1. Department of Radiological Sciences and University of California Irvine, Orange, California, USA.
2. Center for Artificial Intelligence in Diagnostic Medicine, University of California Irvine, Irvine, California, USA.
3. Mallinckrodt Institute of Radiology, Washington University Saint Louis, St. Louis, Missouri, USA.
4. Department of Urology, University of California Irvine, Orange, California, USA.