1. Vancouver Prostate Centre (H.L., Y.Y., Y.S., L.F., X.D.), Department of Urologic Sciences, University of British Columbia, Vancouver, Canada V6H 3Z6
2. Department of Physiology and Pharmacology (D.S.), University of Calgary, Calgary, Canada T2N 4N1
3. Department of Obstetrics and Gynaecology (S.L., X.D.), University of Toronto, Toronto, Canada M5G 1E2