[1] Univ Texas, MD Anderson Canc Ctr, Dept Urol, Houston, TX 77030 USA
[2] Univ Texas, MD Anderson Canc Ctr, Dept Biostat & Appl Math, Houston, TX 77030 USA
[3] Univ Rochester, Med Ctr, Dept Urol, Rochester, NY 14642 USA
[4] Univ Miami, Sch Med, Dept Urol, Miami, FL USA
[5] Alaska Clin Res Ctr, Anchorage, AK USA
[6] Lake City Vet Adm Hosp, Dept Surg, Urol Serv, Manitowoc, WI USA
[7] LakeShore Urol, Manitowoc, WI USA
[8] Associates Urol, W Orange, NJ USA