From the Carolinas Medical Center (D.G.J.), Charlotte, North Carolina, Trauma Service, Bronson Hospital (B.R.P.), Kalamazoo, and Trauma Burn Center, University of Michigan Health System (W.W.), Ann Arbor, Michigan, New York Hospital–Cornell Medical Center (P.S.B.), New York, New York, Robert Wood Johnson Medical School (J.S.H.), New Brunswick, New Jersey, Mt. Sinai Hospital (M.R.H.), Chicago, Illinois, Morehouse School of Medicine (K.E.S.), Atlanta, Georgia, and R Adams Cowley Shock Trauma Center, University of Maryland Medical Center (T.M.S.), Baltimore, Maryland.