We thank Helen Angell, Sakshi Gulati, Kerrin Mendler, Amelia Raymond, Dimitris Polychronopoulos, David Jenkins, and Aleksandra Markovets for whole-exome sequencing sample quality control evaluation as well as validation and review of EGFR status in NSCLC whole-exome sequencing samples. The gene discussed is EGFR; the disease is non-small cell lung carcinoma.