Authors' Affiliations: 1Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine; 2Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, Weill Cornell Medical College; 3Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York; and 4Division of Hematology Oncology, Vanderbilt Ingram Cancer Center, Nashville, Tennessee (At 2013-04-15)
