1. Department of Emergency Medicine David Geffen School of Medicine at UCLA Los Angeles California USA
2. Department of Emergency Medicine University of Michigan Medical School Ann Arbor Michigan USA
3. Department of Emergency Medicine Virginia Commonwealth University Richmond Virginia USA
4. Department of Emergency Medicine University of North Carolina Chapel Hill Chapel Hill North Carolina USA
5. Department of Emergency Medicine University of Cincinnati Cincinatti Ohio USA
6. Department of Emergency Medicine University of Central Florida College of Medicine Orlando Florida USA
7. Department of Emergency Medicine Wake Forest School of Medicine Winston‐Salem North Carolina USA
8. Department of Emergency Medicine Washington University in St. Louis St. Louis Missouri USA