1. Department of Pediatrics, Children’s Hospital at Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
2. Department of Pediatrics, Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire
3. UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania
4. Children’s Hospital Association, Lenexa, Kansas
5. Department of Pediatrics, Johns Hopkins Medical School, Baltimore, Maryland