From the Department of Anesthesiology, Cleveland Clinic, Cleveland, Ohio.
Accepted for publication November 1, 2013.
The author has no conflicts of interest to declare.
All statements are the author’s own opinion and do not reflect endorsement by the Cleveland Clinic.
Reprints will not be available from the author.
Address correspondence to Paul Martin Kempen, MD, PhD, Department of Anesthesiology, Cleveland Clinic, Mail Code E31, 9500 Euclid Ave., Cleveland, OH 44195. Address e-mail to email@example.com.