[1] Weill Cornell Med Coll, New York, NY USA
[2] Univ Montreal, Montreal, PQ, Canada
[3] Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA
[4] Univ Padua, Padua, Italy
[5] Penn State Coll Med, Hershey, PA USA
[6] McGill Univ Hlth Ctr, Dept Urol, Montreal, PQ, Canada
[7] CHU Pontchaillou, Rennes, France
[8] Univ Michigan, Ann Arbor, MI 48109 USA
[9] Univ Vita Salute San Raffaele, Milan, Italy
[10] Gen Hosp Bolzano, Bolzano, Italy
[11] Univ Vita Salute San Raffaele, Milan, Italy