1. Department of Surgery University of Mississippi School of Medicine Jackson, Mississippi
2. Division of Plastic and Reconstructive Surgery Department of Surgery University of Mississippi School of Medicine Jackson, Mississippi
3. Center of Biostatistics & Bioinformatics University of Mississippi Medical Center Jackson, Mississippi
4. Division of Trauma, Surgical Critical Care and Acute Care Surgery Department of Surgery University of Mississippi School of Medicine Jackson, Mississippi
5. Division of Trauma, Surgical Critical Care and Acute Care Surgery Department of Surgery University of Mississippi School of Medicine Jackson, Mississippi;
6. Department of Surgery Uniformed Services University of the Health Sciences Bethesda, Maryland