1. The Department of Emergency Medicine; St. Luke's Roosevelt of Mount Sinai Hospital; New York NY
2. The Department of Emergency Medicine; Carolinas Medical Center; Charlotte NC
3. The Department of Emergency Medicine; Beth Israel Deaconess Medical Center; Boston MA
4. The Department of Emergency Medicine; Denver Health Medical Center; University of Colorado School of Medicine; Denver CO
5. The Department of Emergency Medicine; Massachusetts General Hospital; Boston MA
6. The Department of Emergency Medicine; University of Virginia; Charlottesville VA
7. The Department of Emergency Medicine; Hospital of the University of Pennsylvania; Philadelphia PA