[1] NYU Langone Med Ctr, Laura & Isaac Perlmutter Canc Ctr, New York, NY USA
[2] Univ Virginia, Emily Couric Clin Canc Ctr, Charlottesville, VA USA
[3] Gustave Roussy, Villejuif, France
[4] Clin Univ Navarra, Pamplona, Spain
[5] Johns Hopkins Univ, Sidney Kimmel Canc Ctr, Baltimore, MD USA
[6] Yale Univ, Sch Med, New Haven, CT USA
[7] Antoni van Leeuwenhoek Hosp, Netherlands Canc Inst, Dept Med Oncol, Amsterdam, Netherlands
[8] Netherlands Canc Inst, Dept Med Oncol, San Francisco, CA USA
[9] Genentech Inc, San Francisco, CA 94080 USA
[10] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA