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From the Department of Anesthesiology, Division of Cardiothoracic Anesthesiology, University of Alabama at Birmingham, Birmingham, Alabama.
Accepted for publication January 9, 2014.
Funding: No Funding Required.
The authors declare no conflicts of interest.
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Address correspondence to Matthew M. Townsley, MD, Department of Anesthesiology, Division of Cardiothoracic Anesthesiology, University of Alabama at Birmingham, 619 South 19th St., JT 845, Birmingham, AL 35249. Address e-mail to email@example.com.