1. Department of Surgery, Division of Trauma, Emergency Surgery & Critical Care, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
2. Department of Trauma Surgery, Leiden University Medical Center and Leiden University, Leiden, the Netherlands.
3. Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
4. Department of Surgery, UF Health Science Center and University of Florida College of Medicine, Gainesville, Florida.
5. Department of Surgery, University of Virginia Health System and University of Virginia School of Medicine, Charlottesville, Virginia.
6. Department of Surgery, VCU Medical Center and Virginia Commonwealth University School of Medicine, Richmond, Virginia.
7. Department of Surgery, Thomas Jefferson University Hospital and Thomas Jefferson University, Philadelphia, Pennsylvania.