1. Department of Emergency Medicine Emory University School of Medicine Atlanta Georgia USA
2. Department of Emergency Medicine Columbia University New York New York USA
3. Department of Emergency Medicine St. John’s Riverside Hospital Yonkers New York USA
4. Department of Emergency Medicine Keck School of Medicine of University of Southern California Los Angeles California USA
5. Department of Emergency Medicine The George Washington University School of Medicine Washington DC USA
6. Department of Emergency Medicine, Perelman School of Medicine The University of Pennsylvania Philadelphia Pennsylvania USA