1. CDC COVID-19 Response Team, Atlanta, Georgia, USA
2. Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
3. Department of Anesthesiology, University of Colorado School of Medicine, Aurora, Colorado, USA
4. Departments of Medicine and Health Policy, Vanderbilt University Medical Center, Nashville, Tennessee, USA
5. Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
6. Department of Emergency Medicine, University of Iowa, Iowa City, Iowa, USA
7. Baylor Scott and White Health, Texas A&M University College of Medicine, Temple, Texas, USA
8. Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
9. Department of Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
10. Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
11. Department of Emergency Medicine and Medicine, Hennepin County Medical Center, Minneapolis, Minnesota, USA
12. Department of Medicine, Hennepin County Medical Center, Minneapolis, Minnesota, USA
13. Department of Medicine, The Ohio State University, Columbus, Ohio, USA
14. Department of Medicine, Montefiore Health System, Albert Einstein College of Medicine, Bronx, New York, USA
15. Department of Medicine, Montefiore Medical Center, Bronx, New York, USA
16. Department of Emergency Medicine, University of Washington, Seattle, Washington, USA
17. Department of Medicine, Baystate Medical Center, Springfield, Massachusetts, USA
18. Department of Medicine, Intermountain Medical Center, Murray, Utah and University of Utah, Salt Lake City, Utah, USA
19. School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
20. Department of Medicine, Oregon Health and Sciences University, Portland, Oregon, USA
21. Department of Medicine, Emory University, Atlanta, Georgia, USA
22. Emory Critical Care Center, Emory Healthcare, Atlanta, Georgia, USA
23. Department of Medicine, Cleveland Clinic, Cleveland, Ohio, USA
24. Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA
25. Department of Medicine, University of California-Los Angeles, Los Angeles, California, USA
26. Department of Medicine, University of Miami, Miami, Florida, USA
27. Department of Medicine, Washington University, St. Louis, Missouri, USA
28. Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
29. Departments of Internal Medicine and Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan, USA
30. Department of Health Policy, Vanderbilt University Medical Center, Nashville, Tennessee, USA
31. Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
32. Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, Tennessee, USA
33. Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
34. Department of Emergency Medicine and Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, Tennessee, USA