Department of Surgery, University of Texas Health Science Center, Houston, Texas. Department of Surgery, University of California Riverside, Riverside, California. Division Chief Acute Care Surgery, Department of Surgery Tulane, New Orleans, Louisiana. VCU Surgery Trauma, Critical Care and Emergency Surgery, Richmond, Virginia. Department of Cardiothoracic and Vascular Surgery, Faculty of Life Science Örebro University Hospital and University, Örebro, Sweden. Vascular Surgery Service, San Antonio Military Medical Center, San Antonio, Texas. Academic Department of Military Surgery and Trauma, Royal Centre for Defence Medicine, UK. Regional Trauma Services Foothills Medical Centre, Calgary, Alberta, Canada. Departments of Surgery, Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada. Canadian Forces Health Services, Calgary, Alberta, Canada. Fundación Valle del Lili, Division of Trauma and Acute Care Surgery, Department of Surgery. Universidad del Valle, Valle, Colombia. Department of Surgery and Surgical Critical Care, University of Campinas, Campinas, Brazil. Department of Cardiothoracic and Vascular Surgery, Linköping University Hospital, Linköping, Sweden.