1 From the Department of Surgery (B.A.P.), University of Texas Health Science Center at San Antonio; and US Army Institute of Surgical Research (B.A.P., G.G.), JBSA Fort Sam Houston, San Antonio, Texas; and Department of Surgery (B.A.P., T.E.R.), Uniformed Services University of the Health Sciences, Bethesda; and US Army Medical Research and Material Command (T.E.R.), Fort Detrick, Maryland.