Arrabal-Polo MA, Domínguez-Amillo A, Canales-Casco N, de la Torre-Trillo J, Morales Martínez A, Cano-García MC, Rodríguez-Herrera JJ, Hernández-Serrano M, Arrabal-Martín M.
Servicio de Urología. Hospital Campus de la Salud. Granada. España.

Chen H, Chen G, Pan Y, Zhu Y, Xiong C, Chen H, Yang Z.
Department of Urology, The First Affiliated Hospital of Chongqing Medical, Chongqing, China.

Kelly C, Geraghty RM, Somani BK.
University of Southampton, Southampton, UK.
Department of Urology, University Hospital Southampton, Tremona Road, Southampton, SO16 6YD, UK.

Bovelander E, Weltings S, Rad M, van Kampen P, Pelger RCM, Roshani H.
Department of Urology, Leiden University Medical Center, Leiden, The Netherlands.
Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
Medical Statistics, Haga ziekenhuis, 's-Gravenhage, Leiden University Medical Center, Leiden, The Netherlands.

Mazzon G, Pavan N, Chiapparrone G, De Concilio B, Trombetta C.
Institute of Urology, University College London Hospital, London, UK.
Department of Urology, Cattinara Hospital, University of Trieste, Trieste, Italy.
Urology Department, San Bassiano Hospital, Bassano del Grappa, Vicenza, Italy.