1 USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA; Department of Urology, Azienda Ospedaliera Universitaria Integrata, University of Verona, Verona, Italy.
2 USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
3 USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA. Electronic address: gillindy@gmail.com.