作者单位： Department of Urology, Clinica Luganese Moncucco, Lugano, Switzerland. Clinica S. Anna, Swiss Medical Group, Sorengo, Switzerland. Ward of Surgery and Urology, Clinica S. Chiara, Locarno, Switzerland. Department of Urology, Luzerner Kantonsspital, Spitalstrasse, Luzern, Switzerland. Division of Urology, Department of Surgical Sciences, University of Studies of Torino, Turin, Italy. Department of Urology and Oncologic Urology, Wrocław Medical University, Wroclaw, Poland. Department of Urology, University `Aldo Moro`, Bari, Italy. Division of Urology, Department of Special Surgery, The University of Jordan, Amman, Jordan. Department of Urology Bichat Hospital, Paris Descartes University, Paris, France. Department of Urology, Institut Mutualiste Montsouris and Université Paris Descartes, Paris, France.