Accepted for Publication: March 22, 2013.
Published Online: July 3, 2013. doi:10.1001/jamasurg.2013.2681.
Acquisition of data: Deveney, Deatherage, Oehling.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Deveney.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Deveney.
Obtained funding: Hunter.
Administrative, technical, and material support: Deveney, Oehling.
Study supervision: Deatherage, Oehling, Hunter.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented at the 84th Annual Meeting of the Pacific Coast Surgical Association; February 17, 2013; Kauai, Hawaii, and is published after peer review and revision.