Accepted for Publication: January 6, 2012.
Published Online: March 19, 2012. doi:10.1001/archsurg.2012.77
Author Contributions:Study concept and design: Ziegler, Catto, Gates, Grodsky, and Wasvary. Acquisition of data: Ziegler, Catto, Gates, and Grodsky. Analysis and interpretation of data: Ziegler, Catto, Riggs, Grodsky, and Wasvary. Drafting of the manuscript: Ziegler and Wasvary. Critical revision of the manuscript for important intellectual content: Ziegler, Catto, Riggs, Gates, Grodsky, and Wasvary. Statistical analysis: Riggs and Grodsky. Administrative, technical, and material support: Ziegler, Catto, and Wasvary. Study supervision: Ziegler, Catto, and Wasvary.
Financial Disclosure: None reported.
Previous Presentation: Presented in part at the American Society of Colon and Rectal Surgery Annual Meeting; May 18, 2011; Vancouver, British Columbia, Canada.
This article was corrected for errors on July 24, 2012.