Accepted for Publication: August 22, 2011.
Published Online: November 21, 2011. doi:10.1001/archsurg.2011.308
Author Contributions: Dr Matot takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Matot, Elazary, and Keidar. Acquisition of data: Paskaleva, Eid, Cohen, Khalaileh, Elazary, and Keidar. Analysis and interpretation of data: Matot, Paskaleva, and Keidar. Drafting of the manuscript: Matot, Paskaleva, Eid, Cohen, Khalaileh, and Keidar. Critical revision of the manuscript for important intellectual content: Matot, Elazary, and Keidar. Statistical analysis: Matot and Elazary. Obtained funding: Matot. Administrative, technical, and material support: Matot, Paskaleva, Eid, Cohen, Khalaileh, Elazary, and Keidar. Study supervision: Matot, Elazary, and Keidar.
Financial Disclosure: None reported.
Funding/Support: This work was supported by a grant from the Administrator General, The State of Israel, Jerusalem, Israel.
Previous Presentation: This paper was presented at the 2009 Annual Meeting of the American Society of Anesthesiologists; October 21, 2009; San Diego, California.