1. Division of Trauma, Critical Care, and Acute Care Surgery, Department of Surgery, Oregon Health and Science University, Portland
2. Department of Surgery, Oregon Health and Science University, Portland
3. Department of Surgery, University of Washington, Seattle4Harborview Medical Center, University of Washington, Seattle
4. Department of Surgery, University of Washington, Seattle5Harborview Injury Prevention and Research Center, University of Washington, Seattle
5. Center for Translational Injury Research, Division of Acute Care Surgery, Department of Surgery, The University of Texas Medical School, Houston