Author Contributions: Mr Mostertz, Dr Stevenson, and Dr Potti had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Mr Mostertz and Dr Stevenson contributed equally to this work.
Study concept and design: Mostertz, Stevenson, Potti.
Acquisition of data: Mostertz, Chan, Potti.
Analysis and interpretation of data: Mostertz, Stevenson, Acharya, Chan, Walters, Lamlertthon, Barry, Crawford, Nevins, Potti.
Drafting of the manuscript: Mostertz, Stevenson, Chan, Acharya, Potti.
Critical revision of the manuscript for important intellectual content: Mostertz, Stevenson, Acharya, Chan, Walters, Lamlertthon, Barry, Crawford, Nevins, Potti.
Statistical analysis: Acharya, Mostertz, Walters, Barry, Lamlertthon, Chan, Potti.
Obtained funding: Potti.
Administrative, technical, or material support: Stevenson, Crawford, Nevins, Potti.
Study supervision: Mostertz, Stevenson, Potti.
Financial Disclosures: None reported.
Funding/Support: This study was supported by research grants from the Emilene Brown Cancer Research Fund, the Harold and Linda Chapman Lung Cancer Fund, the Jimmy V Foundation, the American Cancer Society, and the National Cancer Institute.
Role of the Sponsors: The funding organizations had no role in the design and conduct of the study, in the collection, analysis, and interpretation of the data, or in the preparation, review, or approval of the manuscript.