Accepted for Publication: June 19, 2014.
Published Online: September 24, 2014. doi:10.1001/jamasurg.2014.2101.
Study concept and design: Olmsted, Kaboli, Cullen.
Acquisition, analysis, or interpretation of data: Olmsted, Johnson, Kaboli, Vaughan-Sarrazin.
Drafting of the manuscript: Olmsted, Cullen.
Critical revision of the manuscript for important intellectual content: Olmsted, Johnson, Kaboli, Vaughan-Sarrazin.
Statistical analysis: Olmsted, Johnson, Vaughan-Sarrazin.
Obtained funding: Kaboli.
Administrative, technical, or material support: Kaboli, Vaughan-Sarrazin.
Study supervision: Kaboli, Cullen, Vaughan-Sarrazin.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by the Department of Veterans Affairs, VHA, and the Health Services Research and Development Service through grant CIN 13-412 from the Comprehensive Access and Delivery Research and Evaluation Center. Dr Olmsted is supported by the Veterans Affairs Quality Scholars Fellowship Program and Veterans Affairs Office of Academic Affiliation.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentation: This paper was presented at the 38th Annual Surgical Symposium of the Association of VA Surgeons; April 7, 2014; New Haven, Connecticut.