From the Department of Anesthesiology (L.M.S., J.T.), and Human Simulation and Patient Safety Center (J.T.), Duke University Medical Center, Durham, NC.
Reprints: Lauren McQueen-Shadfar, MD, Department of Anesthesiology, Duke University Medical Center, 2301 Erwin Road, Box 3094, Durham, NC 27710 (e-mail: firstname.lastname@example.org).
The authors declare no conflict of interest.