1. Critical Care Resuscitation Unit, R Adams Cowley Shock Trauma Center, Baltimore, MD, USA
2. Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
3. Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
4. Program in Trauma, R Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD, USA
5. Department of Obstetrics Gynecology and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD, USA
6. Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD, USA
7. Perfusion Services, University of Maryland Medical Center, Baltimore, MD, USA
8. Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA