1. Center for Health Decision Science, Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, MA, USA
2. Center for Children at Risk, Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
3. Pediatric Emergency Medicine, Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
4. Center for Applied Research and Evaluation, Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA