1. Center for Emergency Care Policy and Research, University of Pennsylvania, Philadelphia
2. Department of Emergency Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
3. National Clinician Scholars Program, University of Pennsylvania, Philadelphia
4. Yale School of Medicine, New Haven, Connecticut
5. Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia
6. Department of General and Internal Medicine, University of Pennsylvania, Philadelphia
7. Department of Emergency Medicine, Penn Center for Addiction Medicine and Policy, Philadelphia, Pennsylvania
8. Department of Emergency Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
9. Department of Emergency Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee
10. Department of Emergency Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York
11. Center for Public Health Initiatives, University of Pennsylvania, Philadelphia
12. College of Education, University of Texas at Austin, Austin
13. Penn Injury Science Center, University of Pennsylvania, Philadelphia