1. Department of Urology, Hospital ‘Sacro Cuore di Gesù’ Fatebenefratelli, I-82100 Benevento, Italy
2. Department of Neuroscience and Reproductive and Odontostomatological Sciences, University ‘Federico II’, I-80131 Naples, Italy
3. Department of Urology, Ospedale del Mare, ASL NA1 Centro, I-80147 Naples, Italy