1 Department of Urology, Queen's University, Kingston, ON, Canada;
2 Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada;
3 Department of Urology, Queen's University, Kingston, ON, Canada;; Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada;
4 Section of Urology, University of Manitoba, Winnipeg, MB, Canada.