1 Urology Unit, Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples "Federico II", Naples, Italy.
2 Department of Urology, AORN Antonio Cardarelli, Naples, Italy.
3 Department of Surgical and Biomedical Science, Andrological and Urogynecological Clinic, Santa Maria Terni Hospital, University of Perugia, Terni, Italy.