Accepted for Publication: April 2, 2014.
Published Online: August 6, 2014. doi:10.1001/jamasurg.2014.1233.
Study concept and design: Scalea, Carco, Reece, Fouche, Pollak.
Acquisition, analysis, or interpretation of data: Scalea, Carco, Reece, Pollak, Nagarkatti.
Drafting of the manuscript: All authors.
Critical revision of the manuscript for important intellectual content: Scalea, Carco, Reece, Pollak.
Statistical analysis: Pollak.
Administrative, technical, or material support: Scalea, Fouche.
Study supervision: Scalea, Carco, Reece, Pollak, Nagarkatti.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented at the 85th Annual Meeting of the Pacific Coast Surgical Association; February 16, 2014; Dana Point, California.