Accepted for Publication: July 7, 2014.
Published Online: December 3, 2014. doi:10.1001/jamasurg.2014.2071.
Study concept and design: Tsai.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Tsai.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Tsai, Orav.
Obtained funding: Tsai.
Administrative, technical, or material support: Jha.
Study supervision: Jha.
Conflict of Interest Disclosures: Dr Tsai reported currently serving as an adviser to the Assistant Secretary for Planning and Evaluation. No other disclosures were reported.
Funding/Support: This study was supported by grant R25CA92203 (Program in Cancer Outcomes Research Training) from the National Cancer Institute (Dr Tsai).
Role of the Funder/Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and the decision to submit the manuscript for publication.
Disclaimer: The views expressed in this article are those of the authors and do not reflect the official views of the US Department of Health and Human Services.