1. Division of Trauma/General Surgery, Department of Surgery, University of Washington, Seattle, Washington.
2. Department of Surgery, The Ohio State University College of Medicine & Public Health, Columbus, Ohio.
3. Department of Surgery, University of Medicine and Dentistry of New Jersey, New Jersey Medical School, Newark, New Jersey.
4. Department of Surgery, Denver Health Medical Center and the University of Colorado Health Sciences Center, Denver, Colorado.
5. DeWitt Daughtry Department of Surgery, University of Miami School of Medicine, Miami, Florida.
6. Department of Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas.