1. Department of Medical Affairs, GE HealthCare, Patient Care Solutions, Chicago, Illinois
2. Department of Anesthesiology and Perioperative Medicine, David Geffen School of Medicine; University of California, Los Angeles, California
3. Department of Anesthesiology and Perioperative Medicine, Case Western Reserve University School of Medicine, Washington, DC
4. Department of Anesthesiology, The Ohio State University and Wexner Medical Center, Columbus, Ohio.