Accepted for Publication: May 17, 2013.
Published Online: February 5, 2014. doi:10.1001/jamasurg.2013.4323.
Study concept and design: DuPree, Blair, Martin.
Acquisition of data: DuPree, Martin.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: DuPree, Steele, Martin.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: DuPree, Martin.
Obtained funding: DuPree.
Administrative, technical, and material support: DuPree, Martin.
Study supervision: Blair, Steele, Martin.
Conflict of Interest Disclosures: None reported.
Disclaimer: This manuscript represents the opinions of the authors only and does not represent the official views of the US Department of Defense, the US Department of the Army, or any of the individual institutions listed above.
Previous Presentation: Presented at the 84th Annual Meeting of the Pacific Coast Surgical Association; February 18, 2013; Kauai, Hawaii.