1. Duke Clinical Research Institute and Department of Pediatrics, Duke University, Durham, North Carolina;
2. Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia;
3. Division of Cardiology, Children's National Medical Center, Washington, DC;
4. Center for Medical Home Improvement, Concord, New Hampshire;
5. Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois;
6. Department of Pediatrics, University of Arkansas for Medical Sciences School of Medicine, Little Rock, Arkansas;
7. Food and Drug Administration, US Department of Health and Human Services, Silver Spring, Maryland;
8. National Heart, Lung, and Blood Institute, National Institutes of Health, US Department of Health and Human Services, Bethesda, Maryland;
9. Centers for Disease Control and Prevention, US Department of Health and Human Services, Atlanta, Georgia; and
10. Department of Pediatrics, Miller School of Medicine, University of Miami, Miami, Florida