1. Institute of Urologic Oncology, Department of Urology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, California
2. Department of Medicine Statistics Core, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, California
3. Department of Radiology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, California
4. Jonsson Comprehensive Cancer Center, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, California