1. Emergency Medicine, Alpert Medical School of Brown University, Providence, Rhode Island, USA
2. Health Services, Policy, and Practice, School of Public Health, Brown University, Providence, Rhode Island, USA
3. Biostatistics, School of Public Health, Brown University, Providence, Rhode Island, USA
4. Epidemiology, School of Public Health, Brown University, Providence, Rhode Island, USA
5. Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, Massachusetts, USA
6. Psychology and Neuroscience and
7. Sociology, University of North Carolina Chapel Hill, Chapel Hill, North Carolina, USA
8. Department of Emergency Medicine, University of Florida College of Medicine-Jacksonville, Jacksonville, Florida, USA
9. Department of Emergency Medicine, University of Alabama School of Medicine, Birmingham, Alabama, USA
10. Department of Emergency Medicine, Henry Ford Health System, Detroit, Michigan, USA
11. Department of Emergency Medicine, Wayne State University School of Medicine, Detroit, Michigan, USA
12. Department of Emergency Medicine, Einstein Healthcare Network, Philadelphia, Pennsylvania, USA
13. Department of Emergency Medicine, Boston Medical Center, Boston, Massachusetts, USA,
14. Department of Emergency Medicine, St. Joseph Mercy Hospital, Ann Arbor, Michigan, USA,
15. Anesthesiology, University of North Carolina Chapel Hill, Chapel Hill, North Carolina, USA
16. Emergency Medicine, University of North Carolina Chapel Hill, Chapel Hill, North Carolina, USA