| Affiliation: | 1. Department of Emergency Medicine, Harvard Medical School, Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114, United States;2. Center for Research in Emergency Department Operations (CREDO), Department of Emergency Medicine, Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114, United States;3. Harvard Affiliated Emergency Medicine Residency Program, 5 Emerson Place, Suite 101, Boston, MA 02114, United States;4. Department of Radiology, Harvard Medical School, Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114, United States;5. Massachusetts General Physicians Organization, 55 Fruit St., Boston, MA 02114, United States;6. Division of Global Health and Human Rights, Department of Emergency Medicine, Massachusetts General Hospital, 125 Nashua St., Suite 910, Boston, MA 02114, United States;7. Division of Emergency Imaging, Department of Radiology, Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114, United States |
