1. Department of Pediatrics, McGovern Medical School at UTHealth and Children's Memorial Hermann Hospital, Houston, TX, USA
2. Department of Family and Preventive Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
3. Center for Applied Research and Evaluation, Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
4. Arkansas Children's Research Institute, Little Rock, AR, USA
5. Injury Prevention Center, Arkansas Children's Hospital, Little Rock, AR, USA
6. Center for Biostatistics, Department of Biomedical Informatics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
7. Biostatistics Resources at Nationwide Children's Hospital, Columbus, OH, USA