1. Division of Trauma Surgery and Surgical Critical Care, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
2. Department of Family and Community Health, University of Pennsylvania School of Nursing, Philadelphia
3. Department of Criminology, Law and Society, George Mason University, Fairfax, Virginia
4. Division of Traumatology, Surgical Critical Care, and Emergency Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia
5. Department of Epidemiology, Columbia University Mailman School of Public Health, New York, New York