Accepted for Publication: April 29, 2013.
Published Online: February 12, 2014. doi:10.1001/jamasurg.2013.3024.
Study concept and design: All authors.
Acquisition of data: All authors.
Analysis and interpretation of data: Kamine, Schneider.
Drafting of the manuscript: All authors.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Kamine.
Administrative, technical, or material support: Papavassiliou, Schneider.
Study supervision: Papavassiliou, Schneider.
Conflict of Interests Disclosures: None reported.
Previous Presentation: This paper was presented as a poster of distinction at Digestive Disease Week; May 21, 2012; San Diego, California.