University of Szeged, Department of Medicine I, Szeged, Hungary

¹University Hospital Ghent, Gastroenterology, Ghent, Belgium, ²Ghent University, VIB center for Inflammation Research, Ghent, Belgium, ³Ghent University, IBD research unit, Department of Internal Medicine and Pediatrics, Ghent, Belgium, ⁴Host-Microbiota Interaction Lab and Laboratory for Molecular Immunology and Inflammation, Department of Rheumatology, Ghent, Belgium

¹CHU Pontchaillou, Department of Gastroenterology, Rennes, France, ²CHU Saint-Etienne, Gastroenterology, Saint-Etienne, France, ³CHU Bordeaux, Gastroenterology, Bordeaux, France, ⁴CHU Strasbourg, Department of Gastroenterology, Strasbourg, France, ⁵Clinique Jules Vernes, Gastroenterology, Nantes, France, ⁶CHU Amiens, Department of Gastroenterology, Amiens, France, ⁷CHU Caen, Department of Gastroenterology, Caen, France, ⁸CHU Nantes, Gastroenterology, Nantes, France, ⁹CHU Lille, Department of Gastroenterology, Lille, France, ¹⁰CHU Nancy, Department of Gastroenterology, Nancy, France

King Fahad Specialist Hospital Dammam, Medicine, Dammam, Saudi Arabia

Central Clinical Hospital of the Ministry of Interior in Warsaw MSWiA, Clinical Department of Gastroenterological Surgery and Transplantation, Warsaw, Poland

University of Padua, Department of Surgery, Oncology and Gastroenterology, Padua, Italy

¹Hospital Universitario De Canarias, Gastroenterology, Santa Cruz De Tenerife, Spain, ²Hospital Universitario De Canarias, Pharmacy, Santa Cruz De Tenerife, Spain

¹Department of Peadiatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia- Katowice, Zabrze, Poland, ²Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice Students Association, Department of Peadiatrics, Zabrze, Poland, ³Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Department of Peadiatrics, Katowice, Poland

¹Yokohama City University Medical Centre, Inflammatory Bowel Disease Centre, Yokohama, Japan, ²Kannai Suzuki Clinic, Inflammatory Bowel Disease Centre, Yokohama, Japan

Oxford University Hospitals NHS Foundation Trust and Oxford AHSN, Translational Gastroenterology Unit, Oxford, UK

Osaka University Graduate School of Medicine, Gastroenterology and Hepatology, Suita, Japan

¹A Coruña Universitary Hospital, Gastroenterology Unit, A Coruña, Spain, ²A Coruña Universitary Hospital, Pharmacy Unit, A Coruña, Spain

¹Hopital Beaujon, Service de Gastroentérologie,MICI et Assistance Nutritive, Clichy, France, ²Hopital Archet, Service de Gastroentérologie et Nutrition Clinique, Nice, France, ³CTMA, Project Manajer, Paris, France, ⁴Hopital Henri Mondor, Service de Gastroentérologie, Creteil, France, ⁵Hopital Haut-Léveque, Service d’Hépato-Gastroentérologie, Bordeaux, France, ⁶Hopital Bellevue, Service de Gastroentérologie, Saint Etienne, France, ⁷CHU Hotel-Dieu, Institut des maladies de l’appareil digestif, Nantes, France, ⁸Hopital Lyon Sud, Service d’hépatogastroentérologie, Lyon, France, ⁹CTMA, Chief Operating Officier, Paris, France, ¹⁰CHU Nancy, Hépato-Gastro-Entérologie, Nancy, France

¹First Department of Medicine, University of Szeged, Szeged, Hungary, ²Department of Laboratory Medicine, University of Szeged, Szeged, Hungary, ³Physiological Controls Research Center, Óbuda University, Szeged, Hungary

¹Canberra Health Services, Mental Health, Justice Health, Alcohol and Drug Services, Canberra, Australia, ²Australian National University, Australian National University Medical School, Canberra, Australia, ³Canberra Health Services, Acute Allied Health Psychology Department, Canberra, Australia, ⁴Canberra Hospital, Gastroenterology and Hepatology Unit, Canberra, Australia

Hospital Sant Joan de Déu, Unit for the Comprehensive Care of Pediatric Inflammatory Bowel Disease, Department of Pediatric Gastroenterology, Hepatology and Nutrition, Esplugues de Llobregat, Spain

Hospital La Paz, Gastroenterology, Madrid, Spain

Aalborg University Hospital, Surgery, Skovlunde, Denmark

¹Hospital Universitari Germans Trias I Pujol, Department of Gastroenterology CIBERehd, IBD Unit, Badalona, Spain, ²Hospital de Manises, Gastroenterology, Manises, Spain, ³Hospital Rio Hortega, Gastroenterology, Valladolid, Spain, ⁴Hospital Clínic de Barcelona, Gastroenterology, Barcelona, Spain, ⁵Hospital Infanta Sofia, Gastroenterology, Madrid, Spain, ⁶Hospital Puerta de Hierro, Gastroenterology, Madrid, Spain, ⁷Hospital de Salamanca, Gastroenterology, Salamanca, Spain, ⁸Hospital La Princesa, Gastroenterology, Madrid, Spain, ⁹Hospital La Fe, Gastroenterology, Valencia, Spain, ¹⁰Hospital de Bellvitge, Gastroenterology, Barcelona, Spain, ¹¹Althaia, Gastroenterology, Manresa, Spain, ¹²Hospital Ramon y Cajal, Gastroenterology, Madrid, Spain

¹Medical College of Wisconsin, n/a, Milwaukee, USA, ²Virginia Mason Medical Center, n/a, Seattle, USA, ³Arena Pharmaceuticals, n/a, San Diego, USA, ⁴Medical University of Vienna, n/a, Vienna, Austria, ⁵University Hospitals Leuven, n/a, Leuven, Belgium, ⁶Hospital Clinic of Barcelona- DIBAPS- CIBERehd, n/a, Barcelona, Spain, ⁷Lorraine University, Department of Gastroenterology- INSERM U954, Vandoeuvre-lès-Nancy, France, ⁸Icahn School of Medicine at Mount Sinai, n/a, New York, USA, ⁹University of California San Diego, n/a, La Jolla, USA