¹Internistische Gemeinschaftspraxis für Verdauungs- und Stoffwechselkrankheiten Leipzig und Schkeuditz, Leipzig, Germany, ²Praxis Grümmer, Potsdam, Germany, ³Magen Darm Zentrum Remscheid, Remscheid, Germany, ⁴MVZ für Gastroenterologie am Bayerischen Platz, Berlin, Germany, ⁵Gastroenterologische Gemeinschaftspraxis am Germania-Campus, Münster, Germany, ⁶MSD, Global Medical Affairs, Luzern, Switzerland, ⁷MSD, Medical Affairs, Haar, Germany

¹Federal State Establishment State Scientific Centre of Coloproctology, Department of Inflammatory and Functional Bowel Diseases Study, Moscow, Russian Federation, ²Federal State Budgetary Institute State Scientific Center of Coloproctology of Russian Ministry of Health, Gastroenterology, Moscow, Russian Federation

¹Hospital de Galdakao, Gastroenterology, Galdakao, Spain, ²Hospital General Universitario de Alicante, Gastroenterology, Alicante, Spain, ³CIBEREHD (Centro de Investigación Biomédica en Red en el Área temática de Enfermedades Hepáticas), Alicante, Spain, ⁴Hospital De La Fe, Gastroenterology, Valencia, Spain, ⁵Hospital de Manises, Gastroenterology, Manises, Spain, ⁶Hospital Universitari Germans Trias I Pujol, Gastroenterology, Badalona, Spain, ⁷Hospital Son Espases, Gastroenterology, Palma de Mallorca, Spain

¹Mayo Clinic, Rochester, USA, ²Takeda Pharmaceuticals USA, Inc., Deerfield, USA

¹Gastroenterology Unit, University of Parma, Parma, Italy, ²Gastrointestinal Unit, ASST Fatebenefratelli Sacco, DIBIC “L. Sacco” University of Milan, Milan, Italy, ³Gastroenterology and Endoscopic Unit, Legnano Hospital, Legnano, Italy, ⁴I.R.C.C.S. Policlinico San Donato Gastroenterology and Digestive Endoscopy Unit, San Donato Milanese (Milan), Italy

¹Theagenion Cancer Hospital of Thessaloniki, Gastroenterology Department, Thessaloniki, Greece, ²Hippokration General Hospital of Thessaloniki, Second Propedeutic Department of Internal Medicine, Thessaloniki, Greece

¹Keio University, Division of Gastroenterology and Hematology, Tokyo, Japan, ²Kurume University School of Medicine, Division of Gastroenterology, Department of Medicine, Kurume, Japan, ³Kitasato University Kitasato Institute Hospital, Center for Advanced IBD Research and Treatment, Tokyo, Japan, ⁴Tokyo Yamate Medical Center, Department of Internal Medicine, Division of IBD, Tokyo, Japan, ⁵Imamura Hospital, Department of Gastroenterology, Kagoshima, Japan, ⁶Tokyo Medical and Dental University, Department of Gastroenterology and Hepatology, Tokyo, Japan, ⁷Kyorin University School of Medicine, The Third Department of Internal Medicine, Mitaka, Japan, ⁸Hyogo College of Medicine, Department of Intestinal Inflammation Research, Nishinomiya, Japan, ⁹Keio University School of Medicine, Medicine and Public Health, Biostatistics Unit at Clinical and Translational Research Center, Tokyo, Japan, ¹⁰Toho University Sakura Medical Center, Department of Internal Medicine, Division of IBD, Sakura, Japan

¹Vancouver Island IBD Clinic, Victoria, Canada, ²Island Health, Department of Laboratory Medicine, Pathology and Medical Genetics, Victoria, Canada, ³University of British Columbia, Faculty of Medicine, Vancouver, Canada

Hospital Universitari Vall d'Hebron, Digestive Disease Research Unit, Barcelona, Spain

¹King Saud University, Medicine, Riyadh, Saudi Arabia, ²King Abdul-Aziz University, Medicine, Jeddah, Saudi Arabia

Translational Gastroenterology Unit, Oxford, UK

St Mark's Hospital, London, UK

¹University of Chicago Medicine Inflammatory Bowel Disease Center, Chicago, IL, USA, ²Takeda Pharmaceuticals International AG, Zurich, Switzerland, ³Takeda Development Centre Europe Ltd., Evidence and Value Generation, London, UK

¹St John of God, Subiaco, IBD Center, Perth, Australia, ²Oxford University Hospitals, Oxford, UK, ³QIMR Berghofer Medical Research Institute, Brisbane, Australia, ⁴Mater Hospital, Brisbane, Australia, ⁵Austin Health, Melbourne, Australia, ⁶St Vincents Hospital, Melbourne, Australia, ⁷Eastern Health, Melbourne, Australia, ⁸St Vincents Hospital, Sydney, Australia, ⁹Flinders Medical centre, Adelaide, Australia, ¹⁰Liverpool Hospital, Sydney, Australia, ¹¹Royal Adelaide Hospital and University of Adelaide, Adelaide, Australia, ¹²The Alfred Hospital, Melbourne, Australia, ¹³The Chinese University of Hong Kong, Hong Kong, Hong Kong, ¹⁴Townsville Hospital, Townsville, Australia, ¹⁵Fiona Stanley Hospital, Perth, Australia, ¹⁶QIMR Berghofer Medical Research Institute, Brisbane, Australia, ¹⁷Flinders Medical Centre, Adelaide, Australia, ¹⁸The Chinese University of Hong Kong, Honk kong, Hong Kong

¹KU Leuven, Departement of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium, ²Hospital Haut-Lévêque, Bordeaux, France, ³Damiaan Hospital, Oostende, Belgium, ⁴Imelda Hospital, Bonheiden, Belgium, ⁵Hospital Estaing, Clermont-Ferrand, France, ⁶Hospital Archet, Nice, France, ⁷Sint-Lucas Hospital, Brugge, Belgium, ⁸Academic Medical Centre, Amsterdam, The Netherlands, ⁹University Hospitals Leuven, Department of Gastroenterology and Hepatology, Leuven, Belgium, ¹⁰KU Leuven, Department of Chronic Diseases, Metabolism and Ageing, Leuven, Belgium

¹Lorraine University, Department of Gastroenterology and Inserm U954, Nancy, France, ²Arena Pharmaceuticals, Inc., San Diego, USA, ³Hospital Clínic de Barcelona, IDIBAPS, CIBERehd, Barcelona, Spain

¹Academic Medical Center (AMC) University of Amsterdam, Amsterdam, The Netherlands, ²School of Medicine, University of Osijek, Osijek, Croatia, ³Karolinska Institute, Stockholm, Sweden, ⁴Humanitas Clinical Institute, Milan, Italy, ⁵SetPoint Medical, Inc., Valencia, USA

¹Fondazione Policlinico A. Gemelli, Catholic University, Internal Medicine and Gastroenterology Unit, Presidio Columbus, Rome, Italy, ²Fondazione Policlinico A. Gemelli, Catholic University, Rheumatology Unit, Presidio Columbus, Rome, Italy, ³Fondazione Policlinico A. Gemelli, Catholic University, Internal Medicine and Gastroenterology Unit, Rome, Italy

¹Leeds Teaching Hospitals, Leeds, UK, ²Royal London Hospital, Barts Health, London, UK, ³Salisbury NHS Foundation Trust, Salisbury, UK, ⁴St Helens and Knowsley Foundation Trust, St Helens, UK, ⁵Kingston Hospital NHS Foundation Trust, Kingston upon Thames, UK, ⁶Bristol Royal Infirmary, Bristol, UK, ⁷Torbay and South Devon NHS Trust, Torbay, UK, ⁸Wirral University Teaching Hospital, Birkenhead, UK, ⁹Royal Bolton Hospital, Bolton, UK, ¹⁰North Manchester General Hospital, Manchester, UK, ¹¹University Hospital Llandough, Cardiff, UK, ¹²University College London Hospitals, London, UK, ¹³Epsom and St Helier University Hospitals NHS Trust, Epsom, UK, ¹⁴St George's University Hospitals NHS Foundation Trust, London, UK, ¹⁵Forth Valley Royal Hospital, Larbert, UK, ¹⁶Royal United Hospitals Bath NHS Foundation Trust, Bath, UK, ¹⁷East Kent Hospitals University NHS Foundation Trust, Margate, UK, ¹⁸Brighton and Sussex University Hospitals NHS Trust, Brighton, UK, ¹⁹Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK

¹Division of Internal Medicine, ''Villa Sofia-Cervello'' Hospital, Palermo, Italy, ²Inflammatory Bowel Disease Unit, A.O.U. Policlinico "G. Martino”, Messina, Italy, ³IBD Unit, A.O. "Cannizzaro”, Catania, Italy, ⁴Gastroenterology and Hepatology Unit, A.O.U. Policlinico “G. Giaccone”, Palermo, Italy, ⁵Gastroenterology Unit, A.R.N.A.S. “Garibaldi”, Catania, Italy, ⁶Internal Medicine Unit, A.O.U. Policlinico “Vittorio Emanuele”, Catania, Italy, ⁷Gastroenterology Unit, A.O.U. Policlinico “Vittorio Emanuele”, Catania, Italy, ⁸Gastroenterology and Endoscopy Unit, A.R.N.A.S. “Civico Di Cristina Benfratelli”, Palermo, Italy, ⁹Gastroenterology Unit, A.O. “Guzzardi”, Vittoria, Italy, ¹⁰Gastroenterology Unit, A.O.O.R. “S. Elia- M. Raimondi”, Caltanissetta, Italy, ¹¹Gastroenterology Unit, A.O. “Santa Marta e S. Venera”, Acireale, Italy, ¹²Surgery Unit, A.O. “Umberto I”, Siracusa, Italy, ¹³Internal Medicine Unit, A.O. “Giovanni Paolo II”, Sciacca, Italy, ¹⁴Gastroenterology and Endoscopy Unit, A.O. “S. Antonio Abate”, Trapani, Italy, ¹⁵Gastroenterology Unit, A.O.O.R. “Papardo Piemonte”, Messina, Italy, Messina, Italy, ¹⁶Gastroenterology and Endoscopy Unit, A.O. “Buccheri La Ferla Fatebenefratelli”, Palermo, Italy