[1] Osped Niguarda Ca Granda, Niguarda Canc Ctr, Milan, Italy
[2] Klinikum Harlaching, Med Oncol, Klinikum Neuperlach, Munich, Germany
[3] Hop St Andre, Med Oncol, Bordeaux, France
[4] Univ Hosp, Med Oncol, Seville, Spain
[5] Univ Hosp Gasthuisberg, Digest Oncol, Leuven, Belgium
[6] Amgen Inc, Global Biostat Sci, Thousand Oaks, CA 91320 USA
[7] Amgen Inc, Mol Sci & Computat Biol, Thousand Oaks, CA 91320 USA
[8] Amgen Inc, Global Dev, Thousand Oaks, CA 91320 USA
[9] Amgen Inc, Med Sci, Thousand Oaks, CA 91320 USA
[10] VHIO, Barcelona, Spain
[11] Fdn Piemonte Oncol IRCCS, Ist Candiolo, Candiolo, Italy