[1] NCI, Med Oncol Branch, NIH, Bethesda, MD 20892 USA
[2] Yale Univ, Sch Med, Dept Med, Yale Canc Ctr, New Haven, CT 06510 USA
[3] Mem Sloan Kettering Canc Ctr, Dept Surg, New York, NY 10021 USA
[4] NCI, Biostat & Data Management Sect, NIH, Bethesda, MD 20892 USA
[5] Mem Sloan Kettering Canc Ctr, Dept Med, New York, NY 10021 USA
[6] Thomas Jefferson Univ, Kimmel Canc Ctr, Dept Med Oncol, Philadelphia, PA 19107 USA
[7] NCI, Urol Oncol Branch, NIH, Bethesda, MD 20892 USA
[8] Oregon Hlth & Sci Univ, Dept Urol, Portland, OR 97201 USA
[9] Penn State Hershey Med Ctr, Div Urol, Hershey, PA USA
[10] Univ So Calif, Norris Comprehens Canc Ctr, Dev Therapeut Program, Los Angeles, CA USA
[11] Univ So Calif, Norris Comprehens Canc Ctr, Genitourinary Canc Program, Los Angeles, CA USA
[12] US Oncol Res, Houston, TX USA
[13] Comprehens Canc Ctr Nevada, Las Vegas, NV USA
[14] Princess Margaret Hosp, Dept Med Oncol & Hematol, Toronto, ON M4X 1K9, Canada