1. Division of General Pediatrics,
2. Center for Pediatric Clinical Effectiveness and PolicyLab, and
3. Leonard Davis Institute of Health Economics and
4. Pediatric Advanced Care Team, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;
5. Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois;
6. College of Medicine, Drexel University, Philadelphia, Pennsylvania; and
7. Biomedical Library, University of Pennsylvania, Philadelphia, Pennsylvania;
8. Department of Pediatrics, Kentucky Children’s Hospital and College of Medicine, University of Kentucky, Lexington, Kentucky