[1] Dana Farber Canc Inst, Boston, MA 02115 USA
[2] Mem Sloan Kettering Canc Ctr, Dept Surg, Urol Serv, New York, NY 10021 USA
[3] Pfizer Oncol, La Jolla, CA USA
[4] Pfizer Oncol, New York, NY USA
[5] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[6] Pontificia Univ Catolica Rio Grande do Sul, HSL, Oncol Serv, Porto Alegre, RS, Brazil
[7] Pontificia Univ Catolica Rio Grande do Sul, HSL, Oncol Res Unit, Porto Alegre, RS, Brazil
[8] Univ Calgary, Tom Baker Canc Ctr, Calgary, AB, Canada
[9] Harvard Univ, Brigham & Womens Hosp, Sch Med, Boston, MA 02115 USA
[10] Harvard Univ, Sch Med, Dana Farber Canc Inst, Boston, MA 02115 USA