[1] NYU, Inst Canc, New York, NY USA
[2] Ctr Eugene Marquis, Rennes, France
[3] PUCRS Sch Med, Porto Alegre, RS, Brazil
[4] Dana Farber Canc Inst, Boston, MA 02115 USA
[5] Heidelberg Univ Hosp, Natl Ctr Tumor Dis, Heidelberg, Germany
[6] German Canc Res Ctr, Heidelberg, Germany
[7] Aichi Canc Ctr Hosp, Nagoya, Aichi, Japan
[8] Peter MacCallum Canc Ctr, Melbourne, Vic, Australia
[9] Genentech Inc, San Francisco, CA 94080 USA
[10] F Hoffmann La Roche Ltd, Basel, Switzerland
[11] Univ Calif San Francisco, Ctr Comprehens Canc, San Francisco, CA 94143 USA
[12] Univ Pittsburgh, Med Ctr, Hillman Canc Ctr, Pittsburgh, PA USA
[13] Queen Mary Univ London, Barts Canc Inst, London, England