¹Department of Gastroenterology, Erasme University Hospital- ULB, Brussels, Belgium, ²Department of Gastroenterology, University Hospital Ghent, Ghent, Belgium, ³Department of Gastroenterology, CHU Sart Tilman, Liège, Belgium, ⁴Department of Gastroenterology, Imelda General Hospital, Bonheiden, Belgium, ⁵Department of Gastroenterology, CHU UCL Namur, Yvoir, Belgium, ⁶Department of Gastroenterology, AZ Delta, Roeselare, Belgium, ⁷Department of Gastroenterology, Clin Univ Saint Luc, Brussels, Belgium, ⁸Department of Gastroenterology, University Hospital Antwerp, Edegem, Belgium, ⁹Department of Gastroenterology, CHR de la Citadelle, Liège, Belgium, ¹⁰Department of Gastroenterology, AZ Sint-Lucas, Brugge, Belgium, ¹¹Department of Gastroenterology, Clinique Saint-Jean, Brussels, Belgium, ¹²Department of Gastroenterology, AZ Sint-Jan, Brugge, Belgium, ¹³Department of Gastroenterology, Ziekenhuis Oost-Limburg Sint-Jan, Genk, Belgium, ¹⁴Department of Gastroenterology, AZ Groeninge, Kortrijk, Belgium, ¹⁵Department of Gastroenterology, AZ Sint-Jozef, Malle, Belgium, ¹⁶Department of Gastroenterology, CH Mouscron, Mouscron, Belgium, ¹⁷Department of Gastroenterology, Jessa ZH, Hasselt, Belgium, ¹⁸Department of Gastroenterology, Maria ZH Noord-Limburg, Overpelt, Belgium, ¹⁹Department of Gastroenterology, Sint-Andries ZH, Tielt, Belgium, ²⁰Department of Gastroenterology, Sint-Trudo ZH, Sint-Truiden, Belgium, ²¹Department of Gastroenterology-, ZH Maas en Kempen, Maaseik, Belgium, ²²Department of Gastroenterology, ZNA Jan Palfijn, Merksem, Belgium, ²³Department of Gastroenterology, ZNA Antwerpen, Antwerpen, Belgium, ²⁴Department of Gastroenterology, Onze-Lieve-Vrouwziekenhuis, Aalst, Belgium, ²⁵Department of Gastroenterology, GZA Sint-Vincentius ZH, Antwerpen, Belgium

¹National Medical Research Center for Children’s Health, Laboratory of Experimental Immunology and Virology, Moscow, Russian Federation, ²Pediatrics and Rheumatology, Sechenov First Moscow State Medical University, Moscow, Russian Federation, ³Gastroenterology and Hepatology, National Medical Research Center for Children’s Health, Moscow, Russian Federation

¹Takeda Canada Inc., Patient Value and Access, Toronto, Canada, ²Axentiva Solutions, Pharmacoeconomic, Sta. Cruz de Tenerife, Spain, ³IQVIA, Real-World Insights, Amsterdam, The Netherlands, ⁴Takeda Inc., Payer Value and Patient Access, Boston, USA

¹Sicilian Network for Inflammatory Bowel Disease (SN-IBD), 1Department of Medicine, Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy, ²A.O.U. Policlinico ‘G. Martino’, Inflammatory bowel disease Unit, Messina, Italy, ³A.O.U. Policlinico ‘P. Giaccone’, Gastroenterology and Hepatology Unit, Palermo, Italy, ⁴A.O. ‘Cannizzaro’, Inflammatory Bowel Disease Unit, Catania, Italy, ⁵Gastroenterology Unit, A.O.U. Policlinico ‘Vittorio Emanuele’, Catania, Italy, ⁶Gastroenterology and Endoscopy Unit, A.O. ‘Buccheri La Ferla Fatebenefratelli’, Palermo, Italy, ⁷A.O. ‘Umberto I’, Surgery Unit, Siracusa, Italy, ⁸Gastroenterology Unit, A.O. ‘Guzzardi’,Vittoria, Italy, ⁹Gastroenterology Unit, A.O.O.R. ‘S. Elia- M. Raimondi’, Caltanissetta, Italy, ¹⁰Gastroenterology Unit, A.O.O.R. ‘Papardo Piemonte’, Messina, Italy

¹Department of Gastroenterology and Hepatology- Inserm- CIC1408, CHU Saint Etienne - Hospital Nord, Saint-Priest en Jarez, France, ²Department of Gastroenterology and Hepatology, CHU Lyon sud, Lyon, France, ³CHU Saint Etienne - Hospital Nord, Immunology, Saint-Priest en Jarez, France

¹Takeda, Statistics and Quantitative Sciences, Cambridge, USA, ²Cytel, Biostatistics, Cambridge, USA, ³Takeda, Research and development- Global Clinical Sciences, Cambridge, USA, ⁴Takeda, Clinical Science, Cambridge, USA

¹Atlanta Gastroenterology, Gastroenterology, Atlanta, USA, ²Icahn School of Medicine at Mount Sinai Medical Center, Dr Henry D. Janowitz Division of Gastroenterology, New York, USA, ³Cleveland Clinic, Gastroenterology- Hepatology and Nutrition, Cleveland, USA, ⁴Ichan School of Medicine- Mount Sinai Hospital, Pediatric GI and Nutrition, New York, USA, ⁵Gastroenterology, University of Chicago, Chicago, USA, ⁶Atrium Health, Gastroenterology and Hepatology, Charlotte, USA, ⁷Gastroenterology, University of Pennsylvania, Philadelphia, USA, ⁸Gastroenterology, Gastro Florida, Tampa, USA, ⁹TARGET PharmaSolutions, Scientific and Medical Affairs, Durham, USA, ¹⁰TARGET PharmaSolutions, Statistics, Durham, USA, ¹¹Gastroenterology, University of North Carolina at Chapel Hill, Chapel Hill, USA

¹Department of Pharmacy- Faculty of Science, National University of Singapore, Singapore, Singapore, ²Department of Pharmacy, Singapore General Hospital, Singapore, Singapore, ³Clinical Pharmacology, Singhealth, Singapore, Singapore, ⁴Department of Gastroenterology and Hepatology, Singapore General Hospital, Singapore, Singapore, ⁵Department of Gastroenterology and Hepatology, Sengkang General Hospital, Singapore, Singapore

¹Gastroenterology and Hepatology, Amsterdam University Medical Centers, Amsterdam, The Netherlands, ²Gastroenterology, Sir H N Reliance Hospital, Mumbai, India

¹J. W Goethe University, Institute of Pharmaceutical Chemistry, Frankfurt am Main, Germany, ²Interdisciplinary Crohn-Colitis Centre Rhein-Main, Clinical and Scientific Research, Frankfurt am Main, Germany, ³Justus-Liebig-Universität, Institute of Nutritional Science, Giessen, Germany, ⁴DGD Clinics Frankfurt-Sachsenhausen, Gastroenterology and Clinical Nutrition, Frankfurt/Main, Germany, ⁵Immundiagnostik AG, Vitamin D Research, Bensheim, Germany, ⁶Immundiagnostik AG, Immunoassays, Bensheim, Germany, ⁷Immundiagnostik AG, Managing Director, Bensheim, Germany

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

¹Gastroenterology, Barts Health NHS Trust, London, UK, ²Merck Sharp and Dohme Ltd., Outcomes Research, Hertfordshire, UK, ³Merck and Co.- Inc., Outcomes Research, New Jersey, USA, ⁴Adelphi Real World, Observational Research, Manchester, UK

¹Hospital Universitario de La Princesa- IIS-IP- Universidad Autónoma de Madrid and CIBEREHD, Servicio de Aparato Digestivo, Madrid, Spain, ²Hospital Universitario y Politécnico La Fe and CIBEREHD, Gastroenterology Unit, Valencia, Spain, ³Complejo Hospitalario Universitario de Santiago, Gastroenterology Unit, Santiago de Compostela, Spain, ⁴Hospital Álvaro Cunqueiro-Complexo Hospitalario Universitario de Vigo, Gastroenterology Unit, Vigo, Spain, ⁵Hospital Clìnic, Gastroenterology Unit, Barcelona, Spain, ⁶Hospital de Manises, Gastroenterology Unit, Valencia, Spain, ⁷Hospital Clínico de Valencia. Universitat de València, Gastroenterology Unit, Valencia, Spain, ⁸Hospital Universitario de Girona Dr. Josep Trueta, Gastroenterology Unit, Gerona, Spain, ⁹Hospital del Mar and Institut Hospital del Mar d’Investigacions Mèdiques, Gastroenterology Unit, Barcelona, Spain, ¹⁰Hospital General Universitario de Ciudad Real, Gastroenterology Unit, Ciudad Real, Spain, ¹¹Hospital Infanta Sofía, Gastroenterology Unit, San Sebastián de los Reyes, Spain, ¹²Hospital Virgen de la Luz, Gastroenterology Unit, Cuenca, Spain, ¹³Consorci Sanitari de Terrasa, Gastroenterology Unit, Barcelona, Spain, ¹⁴Hospital Universitario Fundación Alcorcón, Gastroenterology Unit, Madrid, Spain, ¹⁵Hospital de Sabadell. Depàrtament de Medicina. Universitat Autònoma de Barcelona y CIBEREHD, Gastroenterology Unit, Barcelona, Spain, ¹⁶Hospital General de Tomelloso and CIBEREHD, Gastroenterology Unit, Ciudad Real, Spain, ¹⁷Hospital Universitario Fuenlabrada and Instituto de Investigación Sanitaria del Hospital de La Paz IdiPAZ, Gastroenterology Unit, Madrid, Spain, ¹⁸Hospital Universitario Río Hortega, Gastroenterology Unit, Valladolid, Spain, ¹⁹Complexo Hospitalario Universitario de Pontevedra, Gastroenterology Unit, Pontevedra, Spain, ²⁰Hospital de la Sta Creu i San Pau, Gastroenterology Unit, Barcelona, Spain, ²¹HCU Lozano BLesa- IIS Aragón and CIBEREHD, Gastroenterology Unit, Zaragoza, Spain, ²²Hospital General Universitario de Valencia, Gastroenterology Unit, Valencia, Spain, ²³Hospital Universitario Márques de Valdecilla and IDIVAL, Gastroenterology Unit, Santander, Spain, ²⁴Hospital Universitario Reina Sofía, Gastroenterology Unit, Córdoba, Spain, ²⁵Complejo Asistencial Universitario de León, Gastroenterology Unit, León, Spain, ²⁶Hospital Santos Reyes, Gastroenterology Unit, Burgos, Spain, ²⁷Hospital Universitario Germans Trials i Pujol and CIBEREHD, Gastroenterology Unit, Barcelona, Spain

¹Gastroenterology, NIHR Birmingham Biomedical Research Centre- University Hospitals Birmingham NHS Foundation Trust and University of Birmingham- UK, Birmingham, UK, ²Institute for Biological Physics, University of Cologne, Cologne, Germany, ³Gastroenterology, University Hospitals Birmingham- UK, Birmingham, UK, ⁴Gastroenterology, Institute of Immunology and Immunotherapy- University of Birmingham, Birmingham, UK

Department of Surgery, Shanghai Ninth People’s Hospital -Shanghai Jiaotong University School, Shanghai, China

¹Kliniczny Szpital Wojewodzki Nr 2 im. Sw. Krolowej Jadwigi w Rzeszowie, Klinika Gastroenterologii i Centralna Pracownia Endoskopii, Rzeszow, Poland, ²Institute of Health Sciences, Medical College of Rzeszow University, Rzeszow, Poland

¹Department of Surgery- Oncology- Gastroenterology, University of Padua, Padua, Italy, ²Pedemontana- Santorso, Digestive Endoscopy Unit, Santorso, Italy, ³Gastroenterology Unit, Feltre Hospital, Santorso, Italy, ⁴Department of Surgery- Oncology- Gastroenterology, University of Padua, Paduaita, Italy

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

Department of Gastroenterology, Hospital Universitario Ramón y Cajal, Madrid, Spain

¹Gastroenterology, Rabin Medical Center- University of Chicago Medicine, Petach Tikva, Israel, ²Gastroenterology, University of Chicago Medicine, Chicago, USA