1. Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2. Division of Pediatric Gastroenterology, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. Division of Pediatric Gastroenterology and Nutrition, University of Maryland School of Medicine, Baltimore, MD, USA
4. Susan B. Meister Child Health Evaluation and Research Center and Division of Pediatric Gastroenterology, University of Michigan, Ann Arbor, MI, USA
5. Susan and Leonard Feinstein IBD Center, Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
6. Division of Gastroenterology, Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
7. Department of Pediatrics, Boston Children’s Hospital, Boston, MA, USA
8. Department of Pediatrics, Ann and Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL, USA
9. Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, MD, USA
10. Division of Gastroenterology & Hepatology, University of Michigan, Ann Arbor, MI, USA
11. Susan and Leonard Feinstein IBD Center, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
12. Division of Gastroenterology, Perelman School of Medicine, University of Pennsylvania, Philadelphia PA, USA
13. Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia PA, USA
14. Division of Gastroenterology and Hepatology, Northwestern University, Chicago, IL, USAand
15. Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL, USA
16. Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA