We thank Drs. Jeffrey A. Engelman and Matthew N. Niederest at Massachusetts General Hospital Cancer Center for providing EGFR-mutated NSCLC cell lines MGH121 and MGH121R, and Dr. Kazuto Nishio at Kinki University for providing EGFR del19 NSCLC cell line PC-9. This evidence concerns the gene EGFR and non-small cell lung carcinoma.