[1] Seoul Natl Univ Hosp, Seoul, South Korea
[2] Univ Michigan, Ann Arbor, MI USA
[3] Yale New Haven Med Ctr, Yale Canc Ctr, New Haven, CT USA
[4] Mem Sloan Kettering Canc Ctr, New York, NY USA
[5] Dana Farber Canc Inst, Boston, MA USA
[6] Florida Hosp Canc Inst, Orlando, FL USA
[7] Barts Canc Inst, London, England
[8] UH Cleveland Med Ctr, Cleveland, OH USA
[9] Massachusetts Gen Hosp, Boston, MA USA
[10] Barbara Ann Karmanos Canc Inst, Detroit, MI USA
[11] Genentech Inc, San Francisco, CA USA
[12] F Hoffmann Roche Ltd, Basel, Switzerland
[13] Univ Calif, Chao Family Comprehens Canc Ctr, Orange, CA USA