Accepted for Publication: April 4, 2014.
Published Online: July 30, 2014. doi:10.1001/jamasurg.2014.935.
Study concept and design: Gifford, Jarman, Hines, de Virgilio.
Acquisition, analysis, or interpretation of data: Gifford, Galante, Kaji, Nguyen, Nelson, Sidwell, Hartranft, Jarman, Melcher, Reeves, Reid, Jacobsen, Thompson, Are, Smith, Arnell, de Virgilio.
Drafting of the manuscript: Gifford, Nguyen, de Virgilio.
Critical revision of the manuscript for important intellectual content: Gifford, Kaji, Nelson, Sidwell, Hartranft, Jarman, Melcher, Reeves, Reid, Jacobsen, Thompson, Are, Smith, Arnell, Hines, de Virgilio.
Statistical analysis: Gifford, Galante, Kaji, Nguyen.
Administrative, technical, or material support: Gifford, Nelson. Jarman, Reeves, Reid, Smith, Hines, de Virgilio.
Study supervision: Galante, Nelson, Hartranft, Jarman, Are, de Virgilio.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented at the 2014 Annual Meeting of the Pacific Coast Surgical Association; February 17, 2014; Dana Point, California.
Correction: This article was corrected on August 14, 2014, to fix an incorrect word in the Abstract and Results.