1. Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, North Carolina;
2. Department of Emergency Medicine, University of Virginia, Charlottesville, Virginia;
3. Department of Trauma Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina;
4. Department of Radiology, Wake Forest School of Medicine, Winston-Salem, North Carolina;
5. Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri