1 From the Department of Military & Emergency Medicine (C.G.), Uniformed Services University of the Health Sciences, Bethesda; National Center for Disaster Medicine and Public Health (C.G.), Rockville, Maryland; Department of Surgery (L.J.), University of Connecticut, Farmington; Trauma Institute (L.J.), Hartford Hospital, Hartford, Connecticut; National Health Care Preparedness Programs (R.C.H.), Office of the Assistant Secretary for Preparedness and Response, U.S. Department of Health & Human Services, Washington, District of Columbia; Department of Emergency Medicine (E.G.), Harvard Medical School, Harvard TH Chan School Of Public Health, Boston; Brigham and Women's Hospital (E.G.), Boston, Massachusetts; Department of Emergency Medicine (E.M.S.), University of Virginia, Charlottesville, Virginia; First Aid Subcouncil (E.M.S.), American Red Cross Scientific Advisory Council, Washington, District of Columbia; Department of Emergency Medicine (M.J.L.), Johns Hopkins University School of Medicine, Baltimore, Maryland; Medical Control Board (J.G.), Emergency Medical Services System for Metropolitan Oklahoma City & Tulsa, Oklahoma Center for Prehospital & Disaster Medicine; Department of Emergency Medicine (J.G.), The University of Oklahoma School of Community Medicine, Tulsa, Oklahoma; Science and Content Development (J.L.E.), Preparedness, Health & Safety Services American Red Cross National Headquarters, Washington, District of Columbia; Emergency Medicine Program (S.R.S.), University of Pittsburgh, Pittsburgh, Pennsylvania; National Highway Traffic Safety Administration (J.R.K.), EMS, Washington, District of Columbia; EMS and LIFEFLIGHT UMass Memorial Medical Center (I.N.), Worcester, Massachusetts; National Association of Emergency Medical Technicians (D.W.R.), New Business Integration Priority Ambulance Services, Washington, District of Columbia; McGovern Medical School at UTHealth Houston (R.N.B.), Texas; EMS Committee (M.G.), American College of Surgeons, Kessler Trauma Center, Emergency Medicine and Pediatrics University of Rochester School of Medicine, Rochester, New York; National Center for Disaster Medicine and Public Health (K.S.R., T.D.K.), Rockville; Uniformed Services University of the Health Sciences (K.S.R., T.D.K.), Bethesda, Maryland.