1. Department of Urology, Ospedale Sant’Andrea, University La Sapienza, Rome, Italy;
2. Division of Urology, Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy;
3. Fondazione Scientifica Mauriziana Onlus Torino, Torino, Italy;
4. Urology Unit, Manzoni Hospital, Lecco, Italy