1. Department of Pediatrics, Harvard Medical School, Boston, Massachusetts;
2. Learning and Development Disabilities Evaluation and Rehabilitation Services, Lexington, Massachusetts;
3. Division of Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Boston, Massachusetts;
4. Division of Pediatric Gastroenterology, Hepatology, and Nutrition, University of Arkansas for Medical Sciences, UAMS College of Medicine and Arkansas Children's Hospital, Little Rock, Arkansas;
5. Keck School of Medicine of USC, Los Angeles, California;
6. Section of Pediatric Gastroenterology, Hepatology and Nutrition, Children's Hospital Denver, Aurora, Colorado, Department of Pediatrics, National Jewish Health, Denver, Colorado; and Department of Pediatrics, University of Colorado Denver School of Medicine, Aurora, Colorado;
7. Division of Pediatric Gastroenterology and Nutrition, Golisano Children's Hospital at Strong, University of Rochester Medical Center, Rochester, New York;
8. Department of Pediatrics (Administration), NYU Lagone Medical Center, New York University School of Medicine, New York, New York;
9. Children's Center for Digestive Health Care, LLC, Atlanta, Georgia; and
10. Division of Gastroenterology, Hepatology and Nutrition, Children's Memorial Hospital, Northwestern University's Feinberg School of Medicine at Northwestern, Chicago, Illinois