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From the Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio.
Accepted for publication September 27, 2013.
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Funding: Financial support has been obtained from the Department of Cardiothoracic Anesthesia at the Cleveland Clinic. Dr. Andra Duncan receives salary support from NIH #HL093065.
The authors declare no conflicts of interest.
Reprints will not be available from the authors.
Address correspondence to Andra Duncan, MD, Department of Cardiothoracic Anesthesiology, Cleveland Clinic, 9500 Euclid Ave., J-4 Cleveland, OH 44195. Address e-mail to firstname.lastname@example.org.