Submitted for Publication: April 22, 2013; final revision received June 11, 2013; accepted June 12, 2013.
Published Online: September 25, 2013. doi:10.1001/jamasurg.2013.3770.
Study concept and design: Bechara, Lin.
Acquisition of data: Bechara, Pisimisis, Kougias, Lin.
Analysis and interpretation of data: Bechara, Barshes, Lin.
Drafting of the manuscript: Bechara, Barshes, Lin.
Critical revision of the manuscript for important intellectual content: Bechara, Pisimisis, Kougias.
Statistical analysis: Bechara, Lin.
Obtained funding: Lin.
Administrative, technical, or material support: Bechara, Pisimisis, Kougias, Lin.
Study supervision: Bechara, Kougias.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented at the 2013 Annual Meeting of the Association of Veterans Affairs Surgeons; April 23, 2013; Milwaukee, Wisconsin.