[1] Natl Rehabil Ctr, Urol & Neurourol Unit, Athens 13122, Greece
[2] Ioannina Univ, Urol Dept, Androl Unit, Ioannina 45500, Greece
[3] Cryogonia Cryopreservat Bank, Athens 11526, Greece
[4] Mersin Univ, Sch Med, Dept Urol, Androl Unit, TR-32133 Mersin, Turkiye
[5] Osped Maggiore Policlin, Fdn IRCCS CaGranda, Dept Urol, I-20122 Milan, Italy
[6] Cleveland Clin Fdn, Cleveland, OH 44195 USA