1. Division of Trauma and Surgical Critical Care, Department of Surgery, University of Miami, Jackson Memorial Hospital Ryder Trauma Center, Miami, Florida, USA.
2. R Adams Cowley Shock Trauma Center, Department of Surgery, University of Maryland, Baltimore, Maryland, USA.
3. Division of Trauma and Acute Care Surgery, Department of Surgery, UT Southwestern Medical Center, Dallas, Texas, USA.
4. Division of Trauma, Department of Surgery, University of Colorado, Denver Health Medical Center, Denver, Colorado, USA.