1. Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA
2. Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
3. R Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD, USA
4. Department of Pathology, University of Maryland School of Medicine, Baltimore, MD, USA
5. Division of Gastroenterology and Hepatology, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA