From the *Division of Management Consulting, Department of Anesthesia, University of Iowa, Iowa City, Iowa
†Department of Anesthesiology, Pain Management and Perioperative Medicine, University of Miami, Miami, Florida.
Published ahead of print 30 January 2019.
Accepted for publication January 30, 2019.
The authors declare no conflicts of interest.
Reprints will not be available from the authors.
Address correspondence to Franklin Dexter, MD, PhD, FASA, Division of Management Consulting, Department of Anesthesia, University of Iowa, 200 Hawkins Dr, 6-JCP, Iowa City, IA 52242. Address e-mail to Franklin-Dexter@UIowa.edu.