Accepted for Publication: June 15, 2012.
Published Online: September 17, 2012. doi:10.1001/2013.jamasurg.5
Author Contributions:Study concept and design: Amersi and Silberman. Acquisition of data: T. Sibert, K. Sibert, and Silberman. Analysis and interpretation of data: Shouhed, T. Sibert, K. Sibert, Hemaya, and Silberman. Drafting of the manuscript: Shouhed, Amersi, T. Sibert, and Silberman. Critical revision of the manuscript for important intellectual content: Amersi, K. Sibert, Hemaya, and Silberman. Statistical analysis: Shouhed and T. Sibert. Administrative, technical, and material support: T. Sibert and Hemaya. Study supervision: Amersi, K. Sibert, and Silberman.
Financial Disclosure: None reported.
Funding/Support: This study was supported by the Robert J. and Suzanne Gottleib Endowment in Surgical Oncology and the Surgical Oncology Education and Research Fund at Cedars-Sinai Medical Center.
Previous Presentation: This paper was presented at the 83rd Annual Meeting of the Pacific Coast Surgical Association; February 18, 2012; Napa Valley, California, and is published after peer review and revision.