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
4. Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine of University of Southern California, Los Angeles, California
5. Division of Pediatric Gastroenterology, Hepatology, and Nutrition, University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Little Rock, Arkansas
6. Section of Pediatric Gastroenterology, Hepatology and Nutrition, Children's Hospital Denver, Aurora, Colorado, and Department of Pediatrics, National Jewish Health, Denver, Colorado
7. Department of Pediatrics, University of Colorado Denver School of Medicine, Aurora, Colorado
8. Department of Pediatrics (Administration), NYU Langone LangoneMedical Center, New York University School of Medicine, New York, New York
9. Division of Rheumatology, Allergy and Clinical Immunology, Department of Internal Medicine, University of California, Davis, California
10. Department of Psychiatry, Division of Child and Adolescent Psychiatry, New York-Presbyterian Hospital, Columbia University Medical Center, New York, New York
11. Division of Ambulatory Pediatrics, Department of Pediatrics, National Jewish Health, Children's Hospital, Denver, Colorado
12. Department of Pediatrics, University of Colorado Denver School of Medicine, Denver, Colorado
13. Department of Pediatrics
14. Department of Neurology, MassGeneral Hospital for Children, Boston, Massachusetts
15. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
16. Department of Psychology, State University of New York, Stony Brook, New York
17. Department of Pathology & Cell Biology, Columbia University College of Physicians and Surgeons, New York, New York
18. Division of Neurodevelopmental and Behavioral Pediatrics, Golisano Children's Hospital at Strong, University of Rochester Medical Center, Rochester, New York
19. Department of Pediatrics, Siriraj Hospital, Mahidol University, Bangkok, Thailand
20. Division of Allergy/Immunology and Infectious Diseases, Pediatrics, New Jersey Medical School, University of Medicine and Dentistry of New Jersey, Newark, New Jersey
21. Division of Pediatric Gastroenterology and Nutrition, Golisano Children's Hospital at Strong, University of Rochester Medical Center, Rochester, New York
22. Zilkha Neurogenetic Institute & Dept. Cell and Neurobiology (Dr Levitt), Keck School of Medicine of University of Southern California, Los Angeles, California
23. Children's Center for Digestive Health Care, LLC, Atlanta, Georgia
24. Institutes of Pathology and Laboratory Medicine, Genomic Medicine, Neurology and Pediatrics, Cleveland Clinic, Cleveland, Ohio
25. Department of Pediatrics, Escola de Medicina, Universidade do Grande Rio, UNIGRANRIO, Brasilian Academy of Medicine, Rio de Janeiro, Brazil
26. Division of Gastroenterology, Hepatology and Nutrition, Children's Memorial Hospital, Northwestern University's Feinberg School of Medicine at Northwestern, Chicago, Illinois
27. Department of Gastroenterology and Nutrition, Children's Hospital Boston at Peabody, Peabody, Massachusetts
28. Pediatric Pain Program, Department of Pediatrics, David Geffen School of Medicine at University of California, Los Angeles, California