1. Department of Urology, Hacettepe University School of Medicine, 06230 Ankara, Turkey
2. Department of Urology, ASL NA1 Centro Ospedale del Mare, 80147 Naples, Italy
3. University of Rome Tor Vergata, 00133 Rome, Italy
4. Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples “Federico II”, 80131 Naples, Italy