From the Department of General Surgery, Madigan Army Medical Center (A.C.B., J.A.S., G.S.H.), Fort Lewis, Washington; the Trauma/Critical Care/Burn Service (L.H.B.), the Institute of Surgical Research (L.H.B., D.G.B., T.J.W., J.B.H.), and the Department of General Surgery (D.S.K.), Brooke Army Medical Center, Fort Sam Houston, Texas; and the Walter Reed Army Medical Center (P.S.M.), Washington, D.C.