1. University of Kansas School of Medicine Wichita Kansas USA
2. Department of Emergency Medicine Brigham and Women's Faulkner Hospital Boston Massachusetts USA
3. Department of Emergency Medicine University of California, Davis Sacramento California USA
4. Department of Emergency Medicine Harvard Medical School Boston Massachusetts USA
5. Department of Emergency Medicine Stanford University Stanford California USA
6. Department of Emergency Medicine University of Florida College of Medicine Jacksonville Florida USA
7. Department of Emergency Medicine Vanderbilt University Medical Center Nashville Tennessee USA
8. Department of Emergency Medicine Keck School of Medicine of the University of Southern California Los Angeles California USA