Accepted for Publication: September 15, 2014.
Published Online: March 25, 2015. doi:10.1001/jamasurg.2014.3572.
Study concept and design: Kneuertz, Chang, Hu, Eng, Vilar, Cormier, You.
Acquisition, analysis, or interpretation of data: Kneuertz, Chang, Rodriguez-Bigas, Eng, Skibber, Feig, Cormier, You.
Drafting of the manuscript: Kneuertz, Chang, Eng, Vilar, You.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Kneuertz, Hu, Eng.
Obtained funding: You.
Administrative, technical, or material support: Chang.
Study supervision: Eng, Vilar, You.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported in part by The University of Texas MD Anderson Cancer Center G. S. Hogan Gastrointestinal Cancer Research Grant (Dr You) and by grants K07-CA133187 (Dr Chang) and CA16672 (The University of Texas MD Anderson Cancer Center) from the National Cancer Institute.
Role of the Funder/Sponsor: The funding organizations supported in part the time and efforts spent by the authors in the design of the study, in the analysis and interpretation of the data, and in the preparation, review, and approval of the manuscript. However, they had no direct role in directing the design and conduct of the study; in the collection, management, analysis, and interpretation of the data; in the preparation, review, or approval of the manuscript; or in the decision to submit the manuscript for publication.