title: Author Reply.
authors.affiliation: Department of Urology, Careggi Hospital, University of Florence, Florence, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Minervini
authors.affiliation: Department of Urology, Careggi Hospital, University of Florence, Florence, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Mari
authors.affiliation: Department of Urology, Careggi Hospital, University of Florence, Florence, Italy.
authors.forename: Marco
authors.initials: M
authors.lastname: Carini
authors.affiliation: Department of Urology, University of Turin, Ospedale San Luigi Gonzaga, Orbassano, Italy.
authors.forename: Francesco
authors.initials: F
authors.lastname: Porpiglia