1 INFINY Institute, Nancy University Hospital, Vandœuvre-lès-Nancy, France; School of Immunology and Microbial Sciences, King's College London, London, United Kingdom.
2 Dr Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York.
3 Division of Gastroenterology, Department of Medicine, Schulich School of Medicine, Western University, London, Ontario, Canada; Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada.
4 Department of Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy.
5 Assistance Publique-Hopitaux de Paris, Lariboisiere Fernand-Widal Hospital, Paris, France.
6 INFINY Institute, Nancy University Hospital, Vandœuvre-lès-Nancy, France; Department of Gastroenterology, Nancy University Hospital, Vandœuvre-lès-Nancy, France; FHU-CURE, Nancy University Hospital, Vandœuvre-lès-Nancy, France; INSERM, NGERE, University of Lorraine, Nancy, France; Groupe Hospitalier privé Ambroise Paré-Hartmann, Paris IBD Center, Neuilly sur Seine, France; Division of Gastroenterology and Hepatology, McGill University Health Centre, Montréal, Québec, Canada.