Department of Gastroenterology, Logan Hospital, Brisbane, Australia

¹Department of Human Nutrition, School of Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK, ²Department of Gastroenterology, Queen Elizabeth University Hospital, Glasgow, UK, ³Department of Gastroenterology, Glasgow Royal Infirmary, Glasgow, UK, ⁴Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK

¹Department of Gastroenterology and Hepatology, Kyorin University School of Medicine, Mitaka-shi, Japan, ²Nutrition Department, Kyorin University Hospital, Mitaka-shi, Japan, ³Metabologenomics Inc., n/a, Tsuruoka-shi, Japan

Department of Gastroenterology, Juntendo University, Tokyo, Japan

¹Department of Visceral and Thoracic Surgery, Kantonsspital Winterthur, Winterthur, Switzerland, ²Department of Human Nutrition, Glasgow Royal Infirmary, School of Medicine, Dentistry and Nursing, Glasgow, UK, ³Pediatric Gastroenterology and Nutrition Unit, Wolfson Medical Center, PIBD Research Center, Holon, Israel, ⁴Sackler faculty of Medicine, Tel Aviv University, Tel Aviv, Israel, ⁵Department of Surgery, Assaf Harofeh Medical Center, Tel Aviv, Israel, ⁶Department of Surgery, Mount Sinai Hospital, Toronto, Ontario, Canada, ⁷Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Canada, ⁸Department of Gastroenterology and Hepatology, University Medical Centre Groningen, Groningen, The Netherlands, ⁹Department of Medicine, Division of Gastroenterology, Mater Dei Hospital, Msida, Malta, ¹⁰Division of Gastroenterology, University Hospital of Ioannina, Ionnanina, Greece, ¹¹Colorectal Surgery Unit, Catholic University of Paraná, Curitiba, Brazil, ¹²Department of Gastroenterology, Addenbrooke’s Hospital, Cambridge University Hospitals NHS Trust, Cambridge, UK, ¹³Department of Surgery, Cantonal Hospital Winterthur, Winterthur, Switzerland, ¹⁴Department of Nutritional Sciences, King’s College London, London, UK, ¹⁵Department of Nutrition and Dietetics, Amsterdam UMC, location VU University Medical Centre, Amsterdam, The Netherlands, ¹⁶Department of Colorectal Surgery, The Royal Wolverhampton Hospitals, Wolverhampton Hospital, Wolverhampton, UK, ¹⁷Guy’s and St Thomas’ NHS Foundation Trust and King’s College, London, London, UK

¹Department of Digestive and Hepatobiliary Medicine, Department of Gastroenterology, CHU Estaing, Clermont-Ferrand, France, ²CHU Nice, Department of Gastroenterology, Nice, France, ³Department of Gastroenterology, CHu Amiens, Amiens, France, ⁴Department of Gastroenterology, CHU Lille, Lille, France, ⁵Department of Gastroenterology, CHU Lyon-Sud, Lyon, France, ⁶Department of Gastroenterology, CHU Saint-Antoine, Paris, France, ⁷Department of Gastroenterology, CHU Nancy, Nancy, France, ⁸Department of Gastroenterology, Saint-Louis Hospital, Paris, France, ⁹Lesafre Company, France, France, ¹⁰U1071 Inserm UCA, M2iSH, Clermont-Ferrand, France, ¹¹CHU, Biostatistics Unit, Clermont-Ferrand, France

¹Department of Gastroenterology, Gulhane Faculty of Medicine, Ankara, Turkey, ²Department of Infectious Diseases and Clinical Microbiology, Gulhane Faculty of Medicine, Ankara, Turkey

¹Department of Medicine, Imperial College London, London, UK, ²Inflammatory Bowel Disease Unit, St Mark’s Academic Institute, London, UK

¹Laboratory of Pediatrics, Division Gastroenterology and Nutrition, Erasmus University Medical Center, Sophia Children’s Hospital, Rotterdam, The Netherlands, ²Department of Pediatric Gastroenterology, Erasmus University Medical Center, Sophia Children’s Hospital, Rotterdam, The Netherlands, ³Departments of Immunology, University of Alabama at Birmingham, Birmingham, USA, ⁴Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center, Rotterdam, The Netherlands, ⁵Blizard Institute, Queen Mary University of London, London, UK, ⁶Service de Gastroentérologie, Sorbonne Paris Cité- APHP, Hôpital Necker Enfants Malades, Université Paris Descartes, Paris, France, ⁷Centre for Digestive Diseases, Blizard Institute, Barts and the London School of Medicine, Queen Mary University of London, London, UK, ⁸Department of Medicine, University of Alabama at Birmingham, Birmingham, USA

¹Klinik für Allgemeine Innere Medizin und Gastroenterologie, Klinikum Lüneburg, Lüneburg, Germany, ²Gastro Unit Section of Medicine, Hvidovre Hospital, Copenhagen, Denmark, ³Digestive Disease Center, Bispebjerg Hospital, Copenhagen, Denmark, ⁴Gastroenterology Unit, Department of Biomedical and Clinical Sciences, ‘Luigi Sacco’ University Hospital University of Milan, Milan, Italy, ⁵Ambroise Paré Hospital APHP-Paris Saclay, University INSERM U1173 Laboratoire d’Excellence INFLAMEX, Rheumatology Department, Paris, France, ⁶Department of Medical Affairs, Janssen-Cilag SARL, Issy-les-Moulineaux, France, ⁷Department of Medical Affairs, Janssen-Cilag Polska Sp. z o.o, Warsaw, Poland, ⁸Department of Medical Affairs, Janssen Scientific Affairs LLC, Horsham, PA, USA, ⁹Department of Medical Affairs, Janssen-Cilag B.V., Breda, The Netherlands, ¹⁰Department of Medical Affairs, Janssen-Cilag, Moscow, Russian Federation, ¹¹Gastroenterology Unit, Mauriziano Hospital, Turin, Italy, ¹²Department of Gastroenterology, Humanitas University, Milan, Italy, ¹³Clinical Center ISCARE, Clinical and Research Center for Inflammatory Bowel Diseases, Prague, Czech Republic, ¹⁴Ambulanzzentrum Gastroenterologie, Klinikum Lüneburg, Lüneburg, Germany

The Edinburgh IBD Unit, Gastroenterology, Western General Hospital, Edinburgh, UK

¹University of Calgary, Inflammatory Bowel Disease Center, Calgary, Canada, ²University of California San Diego, Gastroenterology, La Jolla, USA, ³Icahn School of Medicine at Mount Sinai, Gastroenterology, New York, USA, ⁴Janssen Research and Development- LLC, Immunology, Spring House, USA, ⁵Janssen Research and Development- LLC, Clinical Biostats, Spring House, USA, ⁶Nancy University Hospital, Gastroenterology, Nancy, France, ⁷Kyorin University School of Medicine, Internal Medicine, Tokyo, Japan, ⁸Humanitas Research Hospital, Gastroenterology, Milan, Italy

¹Humanitas University, Department of Gastroenterology, Milan, Italy, ²University Hospitals Leuven, Department of Gastroenterology, Leuven, Belgium, ³University of Amsterdam, Academic Medical Centre, Amsterdam, The Netherlands, ⁴Hospital Clinic of Barcelona CIBERehd, Department of Gastroenterology, Barcelona, Spain, ⁵Agaplesion Markus Hospital, Department of Medicine I, Frankfurt/Main, Germany, ⁶Department of Pharmacology and Therapeutics, Institute for Molecular and Cell Biology, Faculty of Medicine, University of Porto, and Department of Gastroenterology, Hospital de Sao Joao, Porto, Portugal, ⁷Janssen-Cilag Polska Sp. z o.o, Medical Affairs, Warsaw, Poland, ⁸Janssen-Cilag, Medical Affairs, Issy-les-Moulineaux, France, ⁹Janssen Global Services LLC, Medical Affairs, Horsham, PA, USA, ¹⁰Janssen-Cilag B.V., Medical Affairs, Breda, The Netherlands, ¹¹Janssen-Cilag Russia, Medical Affairs, Moscow, Russian Federation, ¹²Mauriziano Hospital, Gastroenterology Unit, Turin, Italy, ¹³Clinical Center ISCARE, Clinical and Research Center for Inflammatory Bowel Diseases, Prague, Czech Republic, ¹⁴Fondazione Policlinico Universitario A. Gemelli IRCCS Università Cattolica del Sacro Cuore, IBD Unit Presidio Columbus, Rome, Italy, ¹⁵Glasgow Royal Infirmary, Department of Gastroenterology, Glasgow, UK, ¹⁶University Hospital of Nancy University of Lorraine, INSERM Unité 954 and Department of Hepato-Gastroenterology, Houdemont, France

¹Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium, ²Department of Hospital Pharmacy, Amsterdam UMC, Amsterdam, The Netherlands, ³Hepato-gastroenterology and Digestive Oncology, Haut-Lévêque Hospital- Bordeaux UMC, Bordeaux, France, ⁴Department of Gastroenterology and Hepatology, Amsterdam UMC, Amsterdam, The Netherlands, ⁵Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium

¹Department of Radiology, Hospital Clínic de Barcelona, Barcelona, Spain, ²Icahn School of Medicine at Mount Sinai, Department of Gastroenterology, New York, USA, ³Division of Gastroenterology-, University of British Columbia, Vancouver, Canada, ⁴Takeda, Global Medical Affairs, Zurich, Switzerland, ⁵Clinical Development and Clinical Translation, Takeda, Cambridge, USA, ⁶Takeda, Department of Imaging, Cambridge, USA, ⁷Takeda, Statistical and Quantitative Sciences, Zurich, Switzerland, ⁸Department of Gastrointestinal Immunopathology, Humanitas University, Milan, Italy

¹Takeda, Quantitative Clinical Pharmacology, Cambridge, USA, ²Takeda, Clinical Pharmacology, Deerfield, USA, ³Metrum Research Group, Tariffville, USA, ⁴Takeda, Statistical and Quantitative Sciences, R&D, Cambridge, USA, ⁵Takeda, Research and Development, Global Clinical Sciences, Cambridge, USA, ⁶Western University, Robarts Clinical Trials, London, Ontario, Canada, ⁷Division of Gastroenterology, University of California San Diego, La Jolla, USA, ⁸Department of Gastroenterology, University Hospitals Leuven, Leuven, Belgium, ⁹Department of Gastroenterology, Amsterdam University Medical Centers, Amsterdam, The Netherlands

¹Department of Translational Research Centre for GastroIntestinal Disorders TARGID, KU Leuven, Leuven, Belgium, ²Immunology Clinical Development, AbbVie Inc., Worcester, USA, ³Department of Chronic Diseases, Metabolism and Ageing, CHROMETA, KU Leuven, Leuven, Belgium, ⁴Discovery and Exploratory Statistics, AbbVie Inc., Worcester, USA, ⁵Health Economics and Outcomes Research HEOR, AbbVie Inc., Worcester, USA, ⁶Global Pharmaceutical Research and Development, AbbVie Inc., North Chicago, USA, ⁷Department of Gastroenterology, Instituto Clinico Humanitas, Milan, Italy

¹Severance Hospital, Internal Medicine, Seoul, Korea Republic of, ²Yonsei Institute of Pharmaceutical Sciences, Yonsei University, College of Pharmacy, Incheon, Korea Republic of