1. Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado.
2. Center for Pediatric Clinical Effectiveness, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
3. PolicyLab, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
4. Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
5. Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
6. Department of Emergency Medicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
7. Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.