1. INSERM, UMR1163 Laboratory of Intestinal Immunity and Institut Imagine Paris France
2. GENIUS group from ESPGHAN
3. Université Paris Descartes‐Sorbonne Paris Cité Paris France
4. Department of Pediatric Gastroenterology Assistance Publique‐Hôpitaux de Paris Hôpital Necker‐Enfants Malades Paris France
5. SickKids Inflammatory Bowel Disease Center and Cell Biology Program Research Institute Hospital for Sick Children Toronto ON Canada
6. Unit of Pediatrics Department of Human Pathology in Adulthood and Childhood “G. Barresi” University of Messina Messina Italy
7. Department of Biochemistry, Biophysics and Structural Biology Institute for Integrative Biology of the Cell (I2BC) CEA UMR 9198 CNRS Université Paris‐Sud Gif‐sur‐Yvette France
8. Digestive Endoscopy and Surgery Unit and Pathology Unit Bambino Gesù Children Hospital IRCCS Rome Italy
9. Department of Pathology Necker‐Enfants Malades Hospital Assistance Publique‐Hôpitaux de Paris Paris France
10. Bioinformatics Platform Université Paris‐Descartes‐Paris Sorbonne Centre and Institut Imagine Paris France
11. Genomic Platform INSERM, UMR1163 Imagine Institute Paris Descartes‐Sorbonne Paris Cite University Paris France
12. Department of Functional Coprology Pitié Salpêtrière Hospital Assistance publique‐Hôpitaux de Paris (AP‐HP) Paris France
13. Division of Gastroenterology, Hepatology, and Nutrition Department of Pediatrics Hospital for Sick Children University of Toronto Toronto ON Canada
14. Department of Biochemistry Institute of Medical Science University of Toronto Toronto ON Canada