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From the Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina.
George Whitener, MD, is currently affiliated with Department of Anesthesia and Perioperative Medicine, Medical University of South Carolina, Charleston, South Carolina.
Accepted for publication February 19, 2015.
The authors declare no conflicts of interest.
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Address correspondence to Ryan Konoske, MD, Duke University Medical Center, Box 3094/5688F HAFSDUMC Anesthesiology Erwin Rd., Durham, NC 27710. Address e-mail to firstname.lastname@example.org.