[1] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[2] Univ Valencia, Valencia, Spain
[3] Univ Hosp Case Med Ctr, Cleveland, OH USA
[4] Gustave Roussy, Dept Canc Med, Orsay, France
[5] Chinese Univ Hong Kong, Phase Clin Trial Ctr 1, Hong Kong, Hong Kong, Peoples R China
[6] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[7] Barts Canc Inst, London, England
[8] Massachusetts Gen Hosp, Boston, MA 02114 USA
[9] Northwestern Univ, Chicago, IL 60611 USA
[10] Genentech Inc, San Francisco, CA 94080 USA
[11] Yale Canc Ctr, New Haven, CT USA