1. Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, CHU Lille, Lille, France;
2. Inserm, CHU Lille, U1286—INFINITE—Institute for Translational Research in Inflammation, Univ. Lille, Lille, France;
3. Public Health, Epidemiology and Economic Health Unit, Epimad Registry, Maison Régionale de la Recherche Clinique, CHU Lille, Lille, France;
4. Department of Pediatrics, Caen University Hospital, Caen, France;
5. Department of Pediatrics, Le Havre Hospital, Le Havre, France;
6. Department of Pediatrics, St Vincent de Paul Hospital and Lille Catholic University, Lille, France;
7. Gastroenterology Unit, CHU Lille, University of Lille, Lille, France;
8. Gastroenterology Unit, Rouen University Hospital, UMR 1073, University of Rouen Normandy, Rouen, France;
9. Research Unit and Public Health, Reims University Hospital, Reims, France;
10. Gastroenterology Unit, Amiens University Hospital, and Peritox, UMRI01, Université de Picardie Jules Verne, Amiens, France.