a Department of Emergency and Organ Transplantation - Urology, Andrology and Kidney Transplantation Unit , University of Bari , Bari , Italy. b Division of Urology , European Institute of Oncology , Milan , Italy. c Department of Cell and Molecular Biology , University of Medicine and Pharmacy , Tirgu Mures , Romania. d Department of Urology , Magna Graecia University of Catanzaro , Catanzaro , Italy. e Medical Oncology Division, Department of Clinical Medicine and Surgery , University Federico II of Naples , Naples , Italy. f Department of Translational Medical Sciences , University of Naples "Federico II" , Naples , Italy.