1 Department of Urology, Jewish General Hospital, McGill University, 3755 Côte-Sainte-Catherine Road, Pavilion E, Montreal, QC, H3T 1E2, Canada.
2 Department of Urology, Jagiellonian University, Medical College, Krakow, Poland.
3 Department of Urology, Jewish General Hospital, McGill University, 3755 Côte-Sainte-Catherine Road, Pavilion E, Montreal, QC, H3T 1E2, Canada. jcorcos@uro.jgh.mcgill.ca.