[1] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[2] Florida Hosp, Inst Canc, Florida Hosp Gynecol Oncol, Orlando, FL USA
[3] Yale Univ, Sch Med, New Haven, CT USA
[4] Northwest Canc Specialists, Vancouver, WA USA
[5] Genentech Inc, San Francisco, CA 94080 USA
[6] Forsyth Reg Canc Ctr, Winston Salem, NC USA