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

¹Department of Gastroenterology, University of New South Wales, Liverpool, Australia, ²Department of Gastroenterology, University of British Columbia, Vancouver, Canada, ³Department of Gastroenterology, University of Toronto, Toronto, Canada

¹Inflammatory Bowel Disease Centre, Yokohama City University Medical Centre, Yokohama, Japan, ²Division of Gastroenterology, National Centre for Child Health and Development, Tokyo, Japan, ³Department of Surgery Institute of Gastroenterology, Tokyo Women’s Medical University, Tokyo, Japan, ⁴Department of Pediatric Surgery, Chiba University Graduate School of Medicine,Chiba, Japan, ⁵Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, Mie, Japan

¹Department of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, USA, ²Department of Gastroenterology, University of Miami Miller School of Medicine, Miami, USA, ³Department of Gastroenterology, The University of New South Wales and Macquarie University, Sydney, Australia, ⁴Department of Immunology, Janssen Research and Development- LLC, Spring House, USA, ⁵Department of Clinical Biostats, Janssen Research and Development LLC, Spring House, USA, ⁶Department of Gastroenterology and Hepatology, Auckland City Hospital, Auckland, New Zealand, ⁷Department of Internal Medicine, Kyorin University, Tokyo, Japan, ⁸Department of Gastroenterology, University Hospital Coventry, Warwickshire, UK, ⁹Jill Roberts Center for Inflammatory Bowel Disease, Weill Cornell Medicine, New York, USA, ¹⁰Department of Gastroenterology, Humanitas Research Hospital, Milan, Italy, ¹¹Department of Gastroenterology, Nancy University Hospital, Nancy, France

¹Department of Gastroenterology, Luigi Sacco University Hospital, Milan, Italy, ²Gastroenterology and Digestive Endoscopy Unit, IRCCS Policlinico San Donato, San Donato Milanese, Milano, Italy, ³Istituto di Ricovero e Cura a Carattere Scientifico San Matteo Hospital Foundation, University of Pavia, First Department of Medicine, Pavia, Italy, ⁴ASST Rhodense, Rho and Garbagnate Milanese Hospital, Department of Gastroenterology, Milan, Italy, ⁵Department of Gastroenterology, ‘Maggiore Della Carità’ Hospital- Novara, Novara, Italy, ⁶Gastroenterology Division, San Gerardo Hospital- ASST Monza, Monza, Italy, ⁷Division of Gastroenterology, ASST Sette Laghi, Ospedale di Circolo Fondazione Macchi, Varese, Italy, ⁸Spedali Civili and University of Brescia, Gastroenterology Section, 1st Medical Clinic, Brescia, Italy, ⁹Department of Gastroenterology, ASST Bergamo EST-Ospedale Bolognini, Bergamo, Italy, ¹⁰Gastroenterology Unit, IRCCS San Raffaele Scientific Institute, Milano, Italy, ¹¹Department of Gastroenterology and Endoscopy, IRCCS Ca’ Granda Foundation, University of Milan, Milano, Italy, ¹²Fondazione IRCCS Policlinico san Matteo, Servizio di Epidemiologia Clinica e Biometria Direzione Scientifica, Pavia, Italy

¹MZV für Immunologie, Gastroenterology, Hamburg, Germany, ²Health Economics and Outcomes Research Ltd., Health economics, Cardiff, UK, ³Shield Therapeutics PLC, Medical, London, UK, ⁴Norgine Ltd., Medical, Rueil Malmaison, France

¹Medical University of Vienna, Gastroenterology and Hepatology, Vienna, Austria, ²CHU Nice and University Côte d’Azur, Gastroenterology, Nice, France, ³CHU, Gastroenterology, Clermont-Ferrand, France, ⁴University-Hospital Schleswig-Holstein, Internal medicine, Kiel, Germany, ⁵CHU Lille, Gastroenterology, Lille, France, ⁶Enterome Bioscience, Medical Department, Paris, France, ⁷Enterome Bioscience, Scientific Direction, Paris, France

¹L.Sacco University Hospital, General Surgery, Milan, Italy, ²L.Sacco University Hospital, Infectious Diseases Department, Milan, Italy, ³L.Sacco University Hospital, Gastroenterology Unit, Milan, Italy

¹McGill University, Division of Gastroenterology Department of Medicine, Montreal, Canada, ²Semmelweis University, 1st Department of Medicine, Budapest, Hungary, ³HDF Medical Centre, Division of Gastroenterology, Budapest, Hungary

¹Hospital Ramón y Cajal, Gastroenterology Department- IBD Unit, Madrid, Spain, ²Hospital de Galdakao, Gastroenterology Department- IBD Unit, Galdakao, Spain, ³Hospital Clinico San Carlos, Gastroenterology Department, Madrid, Spain, ⁴Spanish confederation of associations of patients with Crohn′s disease and Ulcerative colitis ACCU, Accu, Madrid, Spain, ⁵Merck Sharp and Dohme of Spain, Medical Affairs Department, Madrid, Spain

¹Samsung Medical Center, Medicine, Seoul, Korea Republic of, ²Seoul National University College of Medicine, Internal Medicine and Liver Research Institute, Seoul, Korea Republic of, ³Kangbuk Samsung Hospital, Medicine, Seoul, Korea Republic of, ⁴Seoul Paik Hospital, Internal Medicine, Seoul, Korea Republic of, ⁵Dankook University College of Medicine, Internal Medicine, Cheonan, Korea Republic of, ⁶Yeungnam University College of Medicine, Internal Medicine, Daegu, Korea Republic of, ⁷Inje University Busan Paik Hospital, Internal Medicine, Busan, Korea Republic of, ⁸Daejeon St. Mary’s Hospital, Internal Medicine, Daejeon, Korea Republic of, ⁹Chung-Ang University, Internal Medicine, Seoul, Korea Republic of, ¹⁰Ewha Womans University Seoul Hospital, Internal Medicine, Seoul, Korea Republic of

Hospital Universitario de la Princesa, Gastroenterology and Hepatology, Madrid, Spain

¹Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China, ²Shanghai Tenth People’s Hospital, Tongji University, Shanghai, China, ³The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China, ⁴West China Hospital, Sichuan University, Chengdu, China, ⁵Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China, ⁶Nanjing Drum Tower Hospital, Nanjing University School of Medical, Nanjing, China, ⁷The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China, ⁸The First Affiliated Hospital, Dalian Medical University, Dalian, China, ⁹Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ¹⁰Zhongshan Hospital, Fudan University, Shanghai, China, ¹¹Medical Affairs, Takeda Pharmaceutical International AG, Singapore, Singapore, ¹²Medical Affairs, Takeda China International Trading Company, Beijing, China

¹Department of Gastroenterology, Western General Hospital, The Edinburgh IBD Unit, Edinburgh, UK, ²Department of Gastroenterology, University Hospital Hairmyres, Glasgow, UK, ³Department of Gastroenterology, Ninewells Hospital, Dundee, UK, ⁴Department of Gastroenterology, Royal Alexandra Hospital, Glasgow, UK, ⁵Department of Gastroenterology, Aberdeen Royal Infirmary, Aberdeen, UK, ⁶Department of Gastroenterology, Glasgow Royal Infirmary,Glasgow, UK, ⁷Department of Gastroenterology, Victoria Hospital, Kirkcaldy, UK, ⁸Department of Gastroenterology, Forth Valley Royal Hospital, Larbert, UK, ⁹Department of Gastroenterology, Queen Elizabeth University Hospital, Glasgow, UK, ¹⁰Department of Gastroenterology, Royal Alexandra Hospital, Paisley, UK

¹Evangelismos Hospital, Department of Gastroenterology, Athens, Greece, ²University Hospital and Medical School of Ioannina, Gastroenterology, Ioannina, Greece

Hospital Universitario Virgen de las Nieves, Gastroenterology, Granada, Spain

¹Amsterdam University Medical Centers, Departmenn of Gastroenterology and Hepatology, Amsterdam, The Netherlands, ²Hvidovre Hospital, Gastrounit- Division of Medicine, Copenhagen, Denmark, ³Humanitas University, Gastroenterology, Milan, Italy, ⁴University of Calgary, Medicine- Division of Gastroenterology, Calgary, Canada, ⁵University Teaching Hospital Lueneburg, Gastroenterology, Lueneburg, Germany

¹University of Liverpool, Institute of Translational Medicine, Liverpool- UK, UK, ²Royal Liverpool University Hospitals Trust, Gastroenterology, Liverpool, UK, ³Wirral University Teaching Hospital NHS Foundation Trust, Gastroenterology, Wirral, UK, ⁴Rowett Institute of Nutrition and Health, Biomathematics and Statistics Scotland, Aberdeen, UK, ⁵Newcastle upon Tyne Hospitals NHS Foundation Trust, Gastroenterology, Newcastle upon Tyne, UK, ⁶Cambridge University Hospitals NHS Foundation Trust, Gastroenterology, Cambridge, UK, ⁷St Mark’s Hospital- Harrow, Gastroenterology, London, UK, ⁸James Cook University Hospital, Gastroenterology, Middlesbrough, UK, ⁹Queen Elizabeth Hospital Birmingham NHS Foundation Trust, Gastroenterology, Birmingham, UK, ¹⁰Shrewsbury and Telford Hospital NHS Trust, Gastroenterology, Shrewsbury, UK, ¹¹University of Liverpool, Liverpool Cancer Trials Unit, Liverpool, UK

¹Mersin University Faculty of Medicine, Gastroenterology, Mersin, Turkey, ²Didim State Hospital, İnternal Medicine, Aydın, Turkey, ³Mersin University Faculty of Medicine, Biostatistics, Mersin, Turkey

¹University Hospital Zurich, Department of Gastroenterology and Hepatology, Zurich, Switzerland, ²University Hospital Zurich, Department of Surgery and Transplantation, Zurich, Switzerland