1. Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
2. Division of Trauma & Acute Care Surgery, Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
3. Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
4. Division of Trauma & Critical Care Surgery, Department of Surgery, University of Tennessee Graduate School of Medicine, Knoxville
5. Department of Surgery, JPS Health Network, Ft Worth, Texas
6. Division of Trauma Surgery, Department of Surgery, University of Louisville, Louisville, Kentucky
7. Division of Trauma & Critical Care, Metrohealth Medical Center, Case Western Reserve University, Cleveland, Ohio
8. Division of Burn Surgery, Department of Surgery, Louisiana State University Health Sciences Center, New Orleans
9. Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania