Medical Affairs & Clinical Development, Haemonetics Corporation, Boston, MA. Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA. Indiana University School of Medicine, South Bend, Notre Dame Campus, Mishawaka, IN. Memorial Hospital of South Bend, South Bend, IN. Department of Surgery, McGovern Medical School, UTHealth, Houston, TX. Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA. Department of Surgery, Carolinas Medical Center, Charlotte, NC. Department of Surgery, F. Edward Hébert School of Medicine at the Uniformed Services University of the Health Sciences, Bethesda, MD. Department of Surgery, Division of Trauma, Critical Care and Acute Care Surgery, School of Medicine, Oregon Health & Science University, Portland, OR. Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe-University Frankfurt, Frankfurt/Main, Germany. Department of Anesthesiology and Intensive Care Medicine, AUVA Trauma Centre Salzburg, Academic Teaching Hospital of the Paracelsus Medical University, Salzburg, Austria. Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria. Department of Surgery, Division of Traumatology, Surgical Critical Care & Emergency Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA. Department of Surgery, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA.