Accepted for Publication: February 24, 2014.
Published Online: October 29, 2014. doi:10.1001/jamasurg.2014.369.
Study concept and design: Malas, Qazi, Glebova, Reifsnyder, Black, Freischlag.
Acquisition, analysis, or interpretation of data: Malas, Qazi, Arhuidese, Black, Perler, Freischlag.
Drafting of the manuscript: Malas, Qazi, Arhuidese, Freischlag.
Critical revision of the manuscript for important intellectual content: Malas, Glebova, Reifsnyder, Black, Perler, Freischlag.
Statistical analysis: Arhuidese.
Administrative, technical, or material support: Malas, Qazi, Glebova, Black, Freischlag.
Study supervision: Malas, Reifsnyder, Perler, Freischlag.
Conflict of Interest Disclosures: None reported.
Disclaimer: Dr Freischlag is the editor of JAMA Surgery but was not involved in the editorial review or the decision to accept the manuscript for publication.