[1] Duke Univ, Med Ctr, Div Urol Surg, Durham, NC 27710 USA
[2] Duke Univ, Med Ctr, Dept Surg, Duke Prostate Ctr, Durham, NC 27710 USA
[3] Duke Univ, Med Ctr, Dept Pathol, Durham, NC 27710 USA
[4] Vet Affairs Med Ctr, Urol Sect, Durham, NC USA
[5] Vet Affairs Med Ctr, Dept Pathol, Durham, NC USA
[6] Univ Toronto, Dept Surg, Div Urol, Toronto, ON, Canada
[7] Johns Hopkins Med Inst, James Buchanan Brady Urol Inst, Dept Urol, Baltimore, MD 21205 USA
[8] Amer Canc Soc, Dept Epidemiol & Surveillance Res, Atlanta, GA 30329 USA
[9] Vet Affairs Med Ctr, Urol Sect, Augusta, GA USA
[10] Med Coll Georgia, Urol Sect, Augusta, GA 30912 USA
[11] Vet Affairs Greater Los Angeles Healthcare Syst, Urol Sect, Los Angeles, CA USA
[12] Univ Calif Los Angeles, Sch Med, Dept Urol, Los Angeles, CA USA
[13] Stanford Univ, Sch Med, Dept Urol, Palo Alto, CA 94304 USA
[14] Vet Affairs Med Ctr, Urol Sect, Palo Alto, CA 94304 USA
[15] Vet Affairs Med Ctr, Urol Sect, San Francisco, CA 94121 USA
[16] Univ Calif San Francisco, Sch Med, Dept Urol, San Francisco, CA 94143 USA
[17] Univ Alabama Birmingham, Dept Urol, Birmingham, AL USA