Accepted for Publication: May 14, 2014.
Published Online: November 5, 2014. doi:10.1001/jamasurg.2014.1081.
Study concept and design: Gangi, Cass, Paik, Karlan, Dang, Li, Walsh, Amersi.
Acquisition, analysis, or interpretation of data: Gangi, Cass, Paik, Barmparas, Karlan, Dang, Li, Rimel, Amersi.
Drafting of the manuscript: Gangi, Barmparas, Amersi.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Gangi, Cass, Barmparas, Dang.
Obtained funding: Karlan.
Administrative, technical, or material support: Barmparas, Karlan, Dang, Rimel.
Study supervision: Karlan, Li, Amersi.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This paper was presented at the 85th Annual Meeting of the Pacific Coast Surgical Association; February 15, 2014; Dana Point, California.
Correction: This article was corrected on December 18, 2014, to fix an error in the text.