[1] Univ Western Ontario, Translat Prostate Canc Res Grp, London, ON, Canada
[2] Univ Western Ontario, Dept Pathol, Translat Prostate Canc Res Grp, London, ON, Canada
[3] Univ Western Ontario, Dept Oncol, London Hlth Sci Ctr, Translat Prostate Canc Res Grp, London, ON, Canada
[4] Vanderbilt Univ, Med Ctr, Dept Pathol, Nashville, TN USA