1. Department of Emergency Medicine Yale School of Medicine New Haven Connecticut USA
2. Center for Outcomes Research and Evaluation Yale School of Medicine New Haven Connecticut USA
3. Department of Emergency Medicine Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA
4. Department of Emergency Medicine Stanford University School of Medicine Stanford California USA
5. Department of Emergency Medicine University of Texas Southwestern Medical Center Dallas Texas USA
6. Department of Emergency Medicine David Geffen School of Medicine at UCLA Torrance California USA
7. Department of Emergency Medicine University of Cincinnati Cincinnati Ohio USA
8. Department of Emergency Medicine The University of Washington Seattle Washington USA
9. Department of Emergency Medicine Rutgers New Jersey Medical School Newark New Jersey USA
10. Department of Emergency Medicine Washington University School of Medicine in St. Louis St. Louis Missouri USA