1. Department of Pediatrics, Stanford University, Palo Alto, California;
2. American Board of Pediatrics, Chapel Hill, North Carolina;
3. Department of Pediatrics, Maine Medical Center, Portland, Maine;
4. Boston Children’s Hospital, Boston, Massachusetts;
5. The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;
6. Department of Pediatrics, Oregon Health and Science University, Portland, Oregon;
7. Department of Pediatrics, Vanderbilt Children’s Hospital, Nashville, Tennessee;
8. American Board of Internal Medicine, Philadelphia, Pennsylvania;
9. Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado;
10. Pediatric Medicine, South Burlington, Vermont;
11. St Christopher’s Hospital for Children, Philadelphia, Pennsylvania;
12. Department of Pediatrics, University of Virginia, Charlottesville, Virginia;
13. Department of Pediatrics, Boston University School of Medicine, Boston, Massachusetts;
14. Boston Children’s Hospital, Boston, Massachusetts; and
15. Department of Pediatrics, University of California, San Francisco, San Francisco, California