1. College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
2. Department of Surgery, Division of Trauma and Acute Care Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
3. Department of Surgery, Division of Thoracic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
4. Department of Health Policy and Management, University of Arkansas for Medical Sciences, Little Rock, AR, USA
5. Department of Biomedical Informatics, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA