1. Department of Emergency Medicine Icahn School of Medicine at Mount Sinai New York New York USA
2. Department of Emergency Medicine Johns Hopkins University School of Medicine Baltimore Maryland USA
3. Department of Emergency Medicine University of Michigan Medical School Ann Arbor Michigan USA
4. Office of Emergency Care Research National Institutes of Health Rockville Maryland USA
5. Department of Medicine, Section of Emergency Medicine University of Chicago School of Medicine Chicago Illinois USA
6. College of Medicine Drexel University Philadelphia Pennsylvania USA
7. Department of Emergency Medicine David Geffen School of Medicine at the University of California Los Angeles Los Angeles California USA
8. Department of Emergency Medicine Stanford University Medical School Stanford California USA