Accepted for Publication: March 11, 2013.
Published Online: December 25, 2013. doi:10.1001/jamasurg.2013.2256.
Study concept and design: All authors.
Acquisition of data: All authors.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: All authors.
Study supervision: Saldinger.
Conflict of Interest Disclosures: None reported.
Correction: This article was corrected on August 25, 2014, to fix the spelling of the second author’s last name.