Luke Witherspoon1,2, Ryan Flannigan3,4. 1. Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada. 2. Department of Urology, The Ottawa Hospital, Ottawa, ON, Canada. 3. Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada. ryan.flannigan@ubc.ca. 4. Department of Urology, Weill Cornell Medicine, New York, NY, USA. ryan.flannigan@ubc.ca.