¹Hvidovre Hospital- Copenhagen University, Gastrointestinal Unit, Hvidovre, Denmark, ²Danderyds Hospital, Gastroenterology and Hepatology, Stockholm, Sweden, ³Herlev Hospital, Department of Medical Gastroenterology, Herlev, Denmark, ⁴Department of Medicine- Hospital South West Denmark, Department of Regional Health Research- University of Southern Denmark, Odense, Denmark, ⁵University of Turku, Department of Gastroenterology, Turku, Finland, ⁶University Hospital, Department of Gastroenterology, Oslo, Norway, ⁷Oslo University Hospital, Department of Gastroenterology, Oslo, Norway, ⁸Takeda AS, Medical Affairs, Asker, Norway, ⁹Takeda Oy, Medical Affairs, Helsinki, Finland, ¹⁰Takeda Pharma AB, Medical Affairs, Stockholm, Sweden, ¹¹Takeda A/S, Medical Affairs, Taastrup, Denmark, ¹²Institute of Health and Society- University of Oslo, Department of Health Management and Health Economics, Oslo, Norway, ¹³Hvidovre University Hospital, Gastrounit- Medical Division, Hvidovre, Denmark

¹Humanitas University, Biomedical Sciences, Pieve Emanuele, Italy, ²Humanitas Research Hospital, IBD Center- Gastroenterology, Rozzano, Italy, ³IRCCS San Matteo Hospital- Hospital Foundation- University of Pavia, First Department of Internal Medicine, Pavia, Italy, ⁴Humanitas Gavazzeni, Radiology, Bergamo, Italy, ⁵Humanitas Gavazzeni, Gastroenterology and Endoscopy, Bergamo, Italy, ⁶Nancy University Hospital, Inserm U954, Nancy, France

¹Department of Gastroenterology, Alfred Health, Melbourne, Australia, ²Department of Gastroenterology, Monash University, Melbourne, Australia, ³Department of General Medicine, Eastern Health, Melbourne, Australia

¹Kyung Hee University Hospital at Gang Dong, Kyung Hee University College of Medicine, Department of Internal Medicine, Seoul, Korea Republic of, ²Asan Medical Center- University of Ulsan College of Medicine, Department of Gastroenterology, Seoul, Korea- Republic Of, ³Hansol Hospital, Department of Internal Medicine, Seoul, Korea- Republic Of, ⁴Samsung Medical Center- Sungkyunkwan University School of Medicine, Department of Medicine, Seoul, Korea Republic of, ⁵Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Department of Internal Medicine, Seoul, Korea Republic of, ⁶Yang Hospital, Department of Surgery, Seoul, Korea- Republic of, ⁷Seoul Song Do Colorectal Hospital, Digestive Endoscopic Center, Seoul, Korea Republic of, ⁸Kangdong Seoul Colon and Rectal Surgery, Surgery, Seoul, Korea Republic of, ⁹Daehang Hospital, Department of Gastroenterology-, Seoul, Korea Republic of, ¹⁰Seoul National University College of Medicine, Department of Internal Medicine and Liver Research Institute, Seoul, Korea- Republic of, ¹¹Seoul National University Bundang Hospital, Department of Internal Medicine, Seongnam, Korea Republic of, ¹²VHS Medical Center, Department of Internal Medicine, Seoul, Korea Republic of, ¹³Konkuk University School of Medicine- Konkuk University Medical Center, Department of Internal Medicine, Seoul, Korea Republic of, ¹⁴National Police Hospital, Department of Internal Medicine, Seoul, Korea Republic of, ¹⁵Jamsil Seoul Surgical Clinic, Surgery, Seoul, Korea- Republic of, ¹⁶Asan Medical Center- University of Ulsan College of Medicine, Department of Clinical Epidemiology and Biostatistics, Seoul, Korea Republic of

¹ISABIAL, General University Hospital of Alicante, Gastroenterology Department, Alicante, Spain, ²ISABIAL, General University Hospital of Alicante, Health Psychology Department, Alicante, Spain, ³University Hospital of San Juan, Gastroenterology Department, San Juan de Alicante, Spain, ⁴General University Hospital of Elche, Gastroenterology Department, Elche, Spain, ⁵La Fe University and Polytechnic Hospital, Gastroenterology Department, Valencia, Spain, ⁶University of Alicante, Public Health Department, Alicante, Spain

¹GETAID: Henri Mondor Hospital, Paris Est Creteil University, Department of Gastroenterology, Creteil Cedex, France, ²Huriez Hospital, Gastroenterology, Lille, France, ³Beaujon University Hospital, Gastroenterology- IBD and Nutrition Support, Clichy, France, ⁴Hopital Nord, Gastroenterology, Marseille, France, ⁵Nice University Hospital, Gastroenterology, Nice, France, ⁶Saint Etienne University Hospital, Gastroenterology, Saint Etienne, France, ⁷Saint Antoine University Hospital, Gastroenterology, Paris, France, ⁸Rennes University Hospital, Gastroenterology, Rennes, France, ⁹Erasme University Hospital, Gastroenterology, Bruxelles, Belgium, ¹⁰Rouen University Hospital, Gastroenterology, Rouen, France, ¹¹Clermont Ferrand University Hospital, Gastroenterology, Clermont-Ferrand, France, ¹²Liege University Hospital, Gastroenterology, Liege, Belgium, ¹³Hospices Civils de Lyon, Gastroenterology, Lyon, France, ¹⁴Cochin University Hospital, Gastroenterology, Paris, France, ¹⁵Strasbourg University Hospital, Gastroenterology, Strasbourg, France, ¹⁶Cliniques Universitaires Saint Luc, Gastroenterology, Bruxelles, Belgium, ¹⁷Besnacon University Hospital, Gastroenterology, Besancon, France, ¹⁸Grenoble University Hospital, Gastroenterology, Grenoble, France, ¹⁹Nancy University Hospital, Gastroenterology, Nancy, France, ²⁰Toulouse, University Hospital, Gastroenterology, France, ²¹Saint Louis University Hospital, Gastroenterology, Paris, France, ²²Caen university Hospital, Gastroenterology, Caen, France, ²³Nantes University Hospital, Gastroenterology, Nantes, France, ²⁴Angers University Hospital, Gastroenterology, Angers, France, ²⁵Reims University Hospital, Gastroenterology, Reims, France, ²⁶Valenciennes General Hospital, Gastroenterology, Valenciennes, France, ²⁷Colmar General Hospital, Gastroenterology, COlmar, France, ²⁸Montpellier University Hospital, Gastroenterology, Montpellier, France, ²⁹Amiens University Hospital, Gastroenterology, AMiens, France, ³⁰Nimes University Hospital, Gastroenterology, Nimes, France, ³¹Bordeaux University Hospital, Gastroenterology, Bordeaux, France

University of Chicago Medicine, Inflammatory Bowel Disease Center, Chicago, USA

¹Royal Devon and Exeter NHS Foundation Trust, Gastroenterology, Exeter, UK, ²Royal Devon and Exeter NHS Foundation Trust, Colorectal Surgery, Exeter, UK

¹Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal, ²PT Government Associate Laboratory, ICVS/3B’s, Braga/Guimarães, Portugal, ³Life and Health Sciences Research Institute ICVS, School of Medicine, University of Minho, Braga, Portugal

¹Department of Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, The Netherlands, ²Department of Vascular Internal Medicine, Erasmus Medical Centre, Rotterdam, The Netherlands

¹IBD group, 1A.Aliyev’s State Advanced Training Institute for Doctors, Department of Therapy- IBD group, Baku, Azerbaijan, ²Memorial klinika, IBD therapy department, Baku, Azerbaijan, ³Modern Hospital, gastroenterology and endoscopy department, Baku, Azerbaijan, ⁴National Center of Oncology, Department of Invasive diagnosis and therapy, Baku, Azerbaijan, ⁵Oksigen Klinika, gastroenterology and endoscopy department, Baku, Azerbaijan, ⁶A.Aliyev’s State Advanced Training Institute for Doctors, Department of Therapy- IBD group, Baku, Azerbaijan

¹ASST Fatebenefratelli Sacco, Gastroenterology Unit, Milan, Italy, ²ASST Fatebenefratelli Sacco, Pathology Unit, Milan, Italy, ³University of Milan, Chair of Statistics, Milan, Italy

Federico II University of Naples, Department of Clinical Medicine- Gastroenterology and Surgery, Naples, Italy

¹Cambridge Institute for Therapeutic Immunology and Infectious Disease, Jeffrey Cheah Biomedical Centre- University of Cambridge, Cambridge, UK, ²University of Cambridge, Department of Medicine, Cambridge, UK, ³PredictImmune Ltd, Babraham Research Campus, Cambridge, UK

Department of Gastroenterology, Hospital Universitario La Paz, Madrid, Spain

¹Department of Gastroenterology, East Kent Hospitals NHS Foundation Trust, Margate, UK, ²Department of Gastroenterology, East Kent Hospitals NHS Foundation Trust, Canterbury, UK, ³Department of Gastroenterology, East Kent Hospitals NHS Foundation Trust, Ashford, UK

¹Department of Medical School, University of Sheffield, Sheffield, UK, ²Department of General Surgery, Northern General Hospital, Sheffield, UK, ³School of Social Sciences, Leeds Beckett University, Leeds, UK, ⁴Academic Department of Gastroenterology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK

¹Gastroenterology Department, Hospital La Fe, Valencia, Spain, ²Physiotherapy Department, University of Valencia, Valencia, Spain, ³Confederación de Asociaciones de Enfermos de Crohn y Colitis Ulcerosa de España, Confederación de Asociaciones de Enfermos de Crohn y Colitis Ulcerosa de España, Madrid, Spain

¹Gastrounit- Medical Division, Copenhagen University Hospital, Hvidovre, Denmark, ²Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

The Sainte-Justine University Hospital Centre, Department of Pediatric Gastroenterology, Montréal, Canada