From the *Department of Anesthesiology, Einstein Healthcare Network, Philadelphia, Pennsylvania; and †Department of Anesthesiology, Weill Cornell Medical College, New York, New York.
Accepted for publication November 22, 2013.
The authors declare no conflicts of interest.
Reprints will not be available from the authors.
Address correspondence to Nikolaos J. Skubas, MD, FASE, Weill Cornell Medical Center, Department of Anesthesiology, Weill Cornell Medical College, 525 East 68th Street, M302C, New York, NY 10021.Address e-mail to firstname.lastname@example.org.