¹Department of Medicine, University of Otago, Christchurch, New Zealand, ²Department of General Surgery, Canterbury District Health Board, Christchurch, New Zealand, ³Department of Psychological Medicine, University of Otago, Christchurch, New Zealand, ⁴Department of Paediatrics, University of Otago, Christchurch, New Zealand

Gastroenterology, Queen Elizabeth University Hospital, Glasgow, UK

¹Gastroenterology, Hospital Beatriz Ângelo, Loures, Portugal, ²Gastroenterology, University Hospital of Leuven, Leuven, Belgium, ³Portuguese Association of Inflammatory Bowel Disease, Portuguese Association of Inflammatory Bowel Disease, Lisbon, Portugal, ⁴European Federation of Crohn’s and Ulcerative Colitis Associations EFCCA, European Federation of Crohn’s and Ulcerative Colitis Associations EFCCA, Brussels, Belgium, ⁵Icahn School of Medicine at Mount Sinai, Gastroenterology, New York, USA

¹CHRU Lille, Service des Maladies de l’Appareil Digestif et Nutrition, Lille, France, ²CHRU Lille, Institut d’immunologie, Lille, France, ³Service d’Hépato-Gastro-entérologie, Centre Hospitalier de Roubaix, Roubaix, France

¹Department of Public Health and Clinical Medicine- Umeå University, Medicine, Umeå, Sweden, ²Department of Public Health and Clinical Medicine- Umeå University, Norrlands University Hospital NUS Umeå, Umeå, Sweden

Clinical Development, Gilead Sciences Inc., Foster City- CA, USA

¹Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan, ²Gastroenterology, Musashino Red Cross Hospital, Tokyo, Japan, ³Gastroenterology, Soka Municipal Hospital, Soka, Japan

¹Department of Gastroenterology CIBERehd- IBD Unit, Hospital Universitari Germans Trias I Pujol, Badalona, Spain, ²Gastroenterology, Hospital Clinic Barcelona, Barcelona, Spain, ³Gastroenterology, Hospital Nuestra Señora de la Candelaria, Tenerife, Spain, ⁴Gastroenterology, Hospital General Universitario de Alicante, Alicante, Spain, ⁵Gastroenterology, Hospital La Fe, Valencia, Spain, ⁶Gastroenterology, Hospital Universitario de Leon, Leon, Spain, ⁷Gastroenterology, Hospital del mar, Barcelona, Spain, ⁸Gastroenterology, Hospital General de Granollers, Granollers, Spain, ⁹Gastroenterology, Hospital Universitari de Girona Dr Josep Trueta, Girona, Spain, ¹⁰Gastroenterology, Hospital de Torrejon, Torrejon, Spain, ¹¹Gastroenterology, Hospital General Universitario de Elche, Elche, Spain, ¹²Gastroenterology, Hospital Ramon y Cajal, Madrid, Spain, ¹³Gastroenterology, Hospital la Paz, Madrid, Spain, ¹⁴Gastroenterology, Hospital de Ciudad Real, Ciudad Real, Spain, ¹⁵Gastroenetrology, Hospital Miguel Servet, Zaragoza, Spain, ¹⁶, Gastroenterology, Hospital Universitario Clínico de Valencia, Valencia, Spain

¹RTI Health Solutions, Data Analytics and Design Strategy, Manchester, UK, ²Shire- a Takeda company, Health Economics- Outcomes Research and Epidemiology, Lexington, USA, ³School of Pharmacy, University of Washington, Seattle, USA, ⁴Icahn School of Medicine at Mount Sinai Medical Center, Dr Henry D. Janowitz Division of Gastroenterology, New York, USA, ⁵Division of Gastroenterology, University of Calgary, Calgary, Canada, ⁶Department of Gastroenterology, University Hospital of Nancy-Brabois, Vandœuvre-lès-Nancy, France, ⁷IBD Center, Humanitas University, Milan, Italy, ⁸Department of Gastroenterology, University Hospital Leuven, Leuven, Belgium, ⁹Zymo Consulting Group, Clinical Development, Newtown Square, USA, ¹⁰Shire- a Takeda Company, Clinical Development, Zug, Switzerland

¹Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium, ²Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium, ³Department of Chronic Diseases- Metabolism and Ageing, KU Leuven, Leuven, Belgium

¹Gastroenterology Unit- Department of Internal Medicine, University of Genoa, Genoa, Italy, ²Department of Surgery- Oncology and Gastroenterology, University of Padua, Padua, Italy, ³Department of Internal Medicine, University of Genoa, Genoa, Italy, ⁴Department of Research and Development, Prometheus Laboratories Inc., San Diego, USA

¹Department of Digestive Disease, Hospital of Sagunto, Sagunto, Spain, ²Department of Pharmacology, Hospital of Sagunto, Sagunto, Spain

¹Chelsea and Westminister Hospital Department of Gastroenterology, 1Gastroenterology, University College Hospital, London, UK, ²Gastroenterology, Chelsea and Westminister Hospital, London, UK, ³Gastroenterology, The Royal Liverpool University and Broadgreen University Hospitals NHS Trust, Liverpool, UK, ⁴Gastroenterology, Cheslsea and Westminister Hospital, London, UK

¹Department of Surgery Oncology Gastroenterology, University of Padua, Padua, Italy, ²Department of Gastroenterology, University of Padua, Pisa, Italy, ³Gastroenterology Unit, Santorso Hospital, Santorso, Italy, ⁴Department of Surgery- Oncology- Gastroenterology, Univeristy of Padua, Padua, Italy, ⁵Department of Surgery- Oncology- Gastroenterology, University of Padua, Padua, Italy

Department of Gastroenterology, Royal Bournemouth Hospital, Bournemouth, UK

¹Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany, ²Department of Medicine II, Medical Faculty Mannheim- Heidelberg University, Mannheim, Germany, ³Institute of Psychiatric and Psychosomatic Psychotherapy- Central Institute of Mental Health, Medical Faculty Mannheim- Heidelberg University-, Mannheim, Germany

Samsung Medical Center, Internal Medicine Gastroenterology and Hepatology, Seoul, Republic of Korea

¹Iqvia, Therapeutic Science and Strategy Unit, Reading, UK, ²Iqvia, Therapeutic Science and Strategy Unit, Raleigh, USA, ³Iqvia, Project Leadership, Reading, UK, ⁴Iqvia Bulgaria, Therapeutic Science and Strategy Unit, Sofia, Bulgaria

Gastroenterology, University Hospitals Plymouth NHS Trust, Plymouth, UK

Department of Gastroenterology- Department of Medicine, Tokyo Women’s Medical University Hospital, Tokyo, Japan