1. Department of Surgery, Medical College of Wisconsin, Milwaukee, WI; Center for Translational Injury Research (CeTIR), Department of Surgery, University of Texas-Houston
2. Department of Surgery, Division of Vascular Surgery
3. Department of Surgery, Neurosurgery Service, Walter Reed National Military Medical Center
4. Norman M. Rich Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, USA