1. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
2. Center for Resuscitation Science, Beth Israel Deaconess Medical Center, Boston, Massachusetts
3. Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
4. Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
5. Division of Emergency Critical Care Medicine, Department of Emergency Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
6. Department of Emergency Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New Hyde Park, New York
7. Department of Emergency Medicine, McGovern Medical School at UTHealth, Houston, Texas
8. Division of Critical Care, Department of Internal Medicine, McGovern Medical School at UTHealth, Houston, Texas
9. Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
10. Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark
11. Prehospital Emergency Medical Services, Central Denmark Region, Denmark
12. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
13. Sinai Grace Hospital, Department of Emergency Medicine, Wayne State University School of Medicine, Detroit, Michigan
14. Division of Critical Care, Department of Anesthesia Critical Care, Beth Israel Deaconess Medical Center, Boston, Massachusetts
15. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mount Auburn Hospital, Cambridge, Massachusetts
16. Division of Critical Care Medicine, South Shore Hospital, Weymouth, Massachusetts
17. Division of Pulmonary, Critical Care, and Sleep Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New Hyde Park, New York
18. Beaumont Hospital, Department of Emergency Medicine, Oakland University William Beaumont School of Medicine, Beaumont, Michigan
19. Division of Pulmonary and Critical Care Medicine, Division of Nephrology and Hypertension, Henry Ford Hospital, Detroit, Michigan
20. Department of Critical Care Medicine, Mayo Clinic, Phoenix, Arizona