1. Catherine and Joseph Aresty Department of Urology, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, California
2. Department of Urology, Careggi Hospital, University of Florence, Florence, Italy
3. Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
4. Department of Urology, University of Verona, Verona, Italy
5. Departments of Medicine and Pathology, Keck School of Medicine, University of Southern California, Los Angeles, California
6. Department of Urology, Weill Cornell Medical College, New York, New York
7. Department of Urology, University of Texas Southwestern, Dallas, Texas
8. Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University, Moscow, Russia