[1] Univ Milan, Milan, Italy
[2] IRCCS, European Inst Oncol, Milan, Italy
[3] Fudan Univ, Shanghai Canc Ctr, Shanghai, Peoples R China
[4] Natl Canc Ctr Singapore, Div Med Oncol, Singapore, Singapore
[5] Natl Canc Ctr, Tokyo, Japan
[6] Latin Amer Cooperat Oncol Grp LACOG, Porto Alegre, Brazil
[7] Baylor Univ, US Oncol Network, Texas Oncol, Med Ctr, Dallas, TX USA
[8] Univ Hosp Leuven, Dept Gen Med Oncol, Leuven, Belgium
[9] Harbin Med Univ Canc Hosp, Harbin, Peoples R China
[10] Seoul Natl Univ Hosp, Dept Internal Med, Seoul, South Korea
[11] Vall dHebron Univ Hosp, Vall dHebron Inst Oncol, Barcelona, Spain
[12] Santo Stefano Hosp, Azienda USL Toscana Ctr, Dept Oncol, Prato, Italy
[13] Yonsei Canc Ctr, Div Med Oncol, Seoul, South Korea
[14] Ctr Francois Baclesse, Caen, France
[15] Univ Montpellier, Inst Canc Montpellier, Dept Med Oncol, Montpellier, France
[16] AstraZeneca, Clin Dev, Late Stage Dev, Oncol R&D, Cambridge, England
[17] AstraZeneca, Biometr Oncol, Late Stage Dev, Oncol R&D, Waltham, MA USA
[18] Univ Calif Los Angeles, Jonsson Comprehens Canc Ctr, Los Angeles, CA USA