Accepted for Publication: May 11, 2011.
Published Online: August 15, 2011. doi:10.1001/archsurg.2011.195
Author Contributions:Study concept and design: Moos, Hua, Rowe, and Weaver. Acquisition of data: Moos, Ham, Han, Lew, Hua, and Hood. Analysis and interpretation of data: Moos, Ham, Han, Lew, Rowe, and Weaver. Drafting of the manuscript: Moos, Hua, and Weaver. Critical revision of the manuscript for important intellectual content: Moos, Ham, Han, Lew, Hood, Rowe, and Weaver. Statistical analysis: Han. Administrative, technical, and material support: Moos, Ham, Lew, Rowe, Weaver. Study supervision: Weaver.
Financial Disclosure: None reported.
Previous Presentations: This study was presented at the 82nd Annual Meeting of the Pacific Coast Surgical Association; February 19, 2011; Scottsdale, Arizona.