Aalborg University - Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Zealand University Hospital - Section of Gastroenterology, Statens Serums Institut - Department of Epidemiology Research, Aalborg University - Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Aalborg University - Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Sorbonne University - Institut Pierre-Louis d'Epidémiologie et de Santé Publique, Université Paris VI Pierre et Marie Curie - Department of Gastroenterology and Aalborg University - Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT)

University of Lorraine - Department of Hepatogastroenterology, University of Lorraine - Nutrition, Genetics, and Environmental Risk Exposure (NGERE), University of Lorraine - CHRU-Nancy, University of Paris - Department of Hemato-Oncology, Claude Bernard Lyon 1 University - Department of Gastroenterology, Reims University Hospital - Department of Hepato-Gastro-Enterology, Henri Mondor University Hospital - Department of Gastroenterology, - Department of Hepato-Gastro-Enterology, University Hospital CHU of Liège - Department of Hepato-Gastroenterology, École Normale Supérieure (ENS) - Institut National de la Santé et de la Recherche Médicale, Hopital Européen George - Department of Gastroenterology, Dijon University Hospital - Department of Hepato-Gastro-Enterology, Nice University Hospital - Department of Hepato-Gastro-Enterology, University of Rouen - Department of Hepatogastroenterology, Erasme University Hospital - Department of Hepato-Gastro-Enterology, Sorbonne University - Institut Pierre-Louis d'Epidémiologie et de Santé Publique, Sorbonne University - Institut Pierre-Louis d'Epidémiologie et de Santé Publique, University of Lorraine - CHRU-Nancy, University of Lorraine - Nutrition, Genetics, and Environmental Risk Exposure (NGERE) and University of Lorraine - Department of Hepatogastroenterology