[1] Yonsei Canc Ctr, Div Med Oncol, Seoul, South Korea
[2] Seoul Natl Univ Hosp, Internal Med, Seoul, South Korea
[3] Georgetown Univ, Med Oncol, Hematol Oncol, Washington, DC USA
[4] Catholic Univ Korea, Dept Med Oncol, Seoul, South Korea
[5] Weill Cornell Med Ctr, Mem Sloan Kettering Canc Ctr, New York, NY USA
[6] Weill Cornell Med Ctr, New York, NY USA
[7] Univ Texas MD Anderson Canc Ctr, Dept Thorac Head & Neck Med Oncol, Houston, TX USA
[8] Univ Pittsburgh Med Ctr UPMC, Hillman Canc Ctr, Dept Oncol, Pittsburgh, PA USA
[9] H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL USA
[10] Ctr Hosp Reg Univ CHRU Montpellier Arnaud Villeneu, Dept Thorac & Vasc Surg, Montpellier, France
[11] Univ Rennes, Dept Oncol, Rennes, France
[12] Ctr Hosp Univ Grenoble, F-38000 Grenoble, France
[13] Regeneron Pharmaceut Inc, Med Oncol, Tarrytown, NY USA