Accepted for Publication: March 7, 2013.
Published Online: November 20, 2013. doi:10.1001/jamasurg.2013.2283.
Study concept and design: All authors.
Acquisition of data: Radkani.
Analysis and interpretation of data: Joshi, Mesko.
Drafting of the manuscript: Radkani, Joshi.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Joshi.
Administrative, technical, or material support: Radkani, Joshi, Mesko.
Study supervision: Radkani, Paramo, Mesko.
Conflict of Interest Disclosures: None reported.