1. Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, Oregon
2. Department of Anesthesiology, Cedars Sinai Medical Center, Los Angeles, California
3. Department of Anesthesiology and Pain Management, University of Texas, Southwestern Medical Center, Dallas, Texas
4. Department of Anesthesiology and Perioperative Medicine, Medical College of Georgia at Augusta University, Augusta, Georgia
5. Uniformed Services University of the Health Sciences, Department of Anesthesiology and Pain Medicine, Naval Medical Center Portsmouth, Portsmouth, Virginia
6. Division of Hospital Medicine, Department of Family Medicine and Internal Medicine, Oregon Health & Science University, Portland, Oregon
7. Department of Anesthesiology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina
8. Department of Anesthesiology, University of Missouri-Kansas City, Kansas City, Missouri
9. Department of Anesthesiology, University of Minnesota, Minneapolis, Minnesota
10. Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington
11. Department of Anesthesiology, University of North Carolina, Chapel Hill, North Carolina
12. Department of Anesthesiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
13. Department of Anesthesiology, Mayo Clinic, Rochester, Minnesota
14. Department of Anesthesiology, Indiana University, Indianapolis, Indiana
15. Department of Anesthesiology, Critical Care, and Perioperative Medicine, Henry Ford Health, Detroit, Michigan
16. Department of Anesthesiology, University of Florida College of Medicine-Jacksonville, Jacksonville, Florida
17. Department of Anesthesiology & Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
18. Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, Wisconsin
19. Department of Anesthesiology, Stanford University, Stanford, California
20. Department of Anesthesiology, Columbia University, New York, New York.