1. Department of Trauma, HCA Florida Ocala Hospital, Ocala, Florida, USA.
2. Department of Surgery, University of South Florida, Tampa, Florida, USA.
3. College of Medicine, University of Central Florida, Orlando, Florida, USA.
4. Department of Surgery, Medical Center, Memorial Health University, Savannah, Georgia, USA.
5. Department of Trauma, Del Sol Medical Center, El Paso, Texas, USA.
6. Department of Trauma, South Austin Medical Center, Austin, Texas, USA.
7. Department of Trauma, Kendall Regional Medical Center, Miami, Florida, USA.
8. Department of Trauma, Sky Ridge Medical Center, Lone Tree, Colorado, USA.
9. Department of Trauma, Riverside Community Hospital, Riverside, California, USA.
10. Clinical Services Group, Hospital Corporation of America, Nashville, Tennessee, USA.