1 A.O.U. Città della Salute e della Scienza di Torino - Department of Neurourology, Turin, Italy; A.O.U. Città della Salute e della Scienza di Torino - University of Turin - Department of Urology, Turin, Italy. Electronic address: marco.falcone@unito.it.
2 A.O.U. Città della Salute e della Scienza di Torino - University of Turin - Department of Urology, Turin, Italy.
3 University of Catania, Department of Urology, Catania, Italy.
4 University of Insubria, Department of Urology, Insubria, Italy.
5 A.O.U. Careggi, University of Florence, Department of Urology, Florence, Italy.
6 A.O.U. Città della Salute e della Scienza di Torino - Department of Neurourology, Turin, Italy; A.O.U. Città della Salute e della Scienza di Torino - University of Turin - Department of Urology, Turin, Italy; University of Catania, Department of Urology, Catania, Italy; University of Insubria, Department of Urology, Insubria, Italy; A.O.U. Careggi, University of Florence, Department of Urology, Florence, Italy; University of Copenhagen, Department of Urology, Zealand University Hospital, Roskilde, Denmark.