1. Division of General Pediatrics, Center for Pediatric Clinical Effectiveness, and PolicyLab, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;
2. The Leonard Davis Institute of Health Economics, The University of Pennsylvania, Philadelphia, Pennsylvania;
3. Children’s Hospital Association, Washington, District of Columbia;
4. Children's Hospital Association, Overland Park, Kansas;
5. UCLA Semel Institute for Neuroscience and Human Behavior, University of California at Los Angeles, Los Angeles, California;
6. Department of Pediatrics, UCLA Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California;
7. Department of Pediatrics, Philip R. Lee Institute for Health Policy Studies, UCSF School of Medicine, University of California at San Francisco, San Francisco, California; and
8. Division of General Pediatrics, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts