1. Department of Emergency Medicine; The George Washington University School of Medicine and Health Sciences; Washington DC
2. School of Medicine and Health Sciences; The George Washington University; Washington DC
3. Department of Emergency Medicine; King Faisal Specialist Hospital and Research Center; Jeddah Saudi Arabia
4. Department of Surgery; The George Washington University School of Medicine and Health Sciences; Washington DC
5. Department of Health Policy; The George Washington University Milken Institute School of Public Health and Health Services; Washington DC