| Affiliation: | 1. The Department of Emergency Medicine, Massachusetts General Hospital, , Boston, MA;2. The Department of Emergency Medicine, Drexel University College of Medicine, , Philadelphia, PA;3. The Division of Emergency Medicine, Southern Illinois University, , Carbondale, IL;4. The Department of Emergency Medicine, Johns Hopkins University, , Baltimore, MD;5. The Department of Emergency Medicine, Ohio Valley Medical Center, , Wheeling, WV;6. The Department of Emergency Medicine, Louisiana State University Heath Baton Rouge Emergency Medicine Residency Program, , Baton Rouge, LA;7. The Department of Emergency Medicine, Lehigh Valley Health Network, , Bethlehem, PA;8. The Department of Emergency Medicine, Hennepin County Medical Center, , Minneapolis, MN |
