| Affiliation: | 1. Department of Emergency Medicine, University of Arizona Medical Center, Tucson, Arizona USA;2. Division of Emergency Medicine, Washington University, St Louis, Missouri USA;3. Department of Emergency Medicine, North Shore University Hospital, Manhasset, New York USA;4. Department of Emergency Medicine, Georgia Regents University, Augusta, Georgia USA;5. Department of Emergency Medicine, Orlando Regional Medical Center, Orlando, Florida USA;6. Department of Emergency Medicine, Albert Einstein Beth Israel Medical Center, New York, New York USA |
