1. Department of Pediatrics Caen University Hospital Caen France
2. Department of Pediatric Radiology Caen University Hospital Caen France
3. Pediatric Gastroenterology Robert Debré University Hospital Paris France
4. Pediatric Gastroenterology Lille University Hospital Lille France
5. Department of Pediatric Radiology Lille University Hospital Lille France
6. Pediatric Gastroenterology Rennes University Hospital Rennes France
7. Pediatric Gastroenterology Rouen University Hospital Rouen France
8. Pediatric Gastroenterology Necker University Hospital Paris France
9. Pediatric Gastroenterology Bordeaux University Hospital Bordeaux France
10. Department of Pediatrics Besançon University Hospital Besançon France
11. Department of Pediatrics Strasbourg University Hospital Strasbourg France
12. Department of Pediatrics Le Havre Hospital Le Havre France
13. Department of Pediatrics Clermont‐Ferrand University Hospital Clermont‐Ferrand France
14. Department of Pediatric Gastroenterology Toulouse University Hospital Toulouse France
15. Pediatric Gastroenterology Lyon University Hospital Lyon France
16. Department of Pediatric radiology Rouen University Hospital Rouen France
17. INSERM UMR 1073 ADEN Institute for Biomedical Research Rouen France