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

¹Division of Gastroenterology- University of California, San Diego, La Jolla- California, USA, ²Gastroenterology Unit, Hospital Universitario de La Princesa- IIS-IP and CIBERehd, Madrid, Spain, ³Pfizer Inc., New York, New York, USA, ⁴Pfizer Inc., Collegeville, Pennsylvania, USA, ⁵Virginia Mason Medical Center, Seattle, Washington, USA, ⁶Medical University of Vienna, Vienna, Austria, Austria

¹Inflammatory Bowel Disease Center, Vanderbilt University Medical Center, Nashville, USA, ²Department of Gastroenterology, Nancy University Hospital, Nancy, France, ³Medical Affairs, Takeda Pharmaceuticals USA, Deerfield, USA, ⁴Takeda Pharmaceuticals International AG, Chief Medical Office- Global Medical Affairs, Zurich, Switzerland, ⁵Department of Gastrointestinal Immunopathology, Humanitas University, Milan, Italy

Fondazione Policlinico Universitario A Gemelli IRCCS- Università Cattolica del Sacro Cuore, IBD Unit Presidio Columbus, Rome, Italy

¹Department of Gastroenterology, Centro Hospitalar Tondela-Viseu, Viseu, Portugal, ²Department of Biomedicine, University of Porto, Oporto, Portugal, ³Faculty of Medicine of University of Porto, Unit of Pharmacology and Therapeutics, Oporto, Portugal

¹Institute of Gastroenterology- Nutrition and Liver Diseases, Shneider Children’s Medical Center, Petach Tikva, Israel, ²The Institute of Gastroenterology- Nutrition and Liver Diseases, Schneider Children’s Hospital, Petach-Tikva, Israel, ³The Juliet Keidan Institute of Pediatric Gastroenterology, Shaare Zedek Medical Center, Jerusalem, Israel, ⁴Pediatric Gastroenterology Unit, Shamir Assaf Harofeh Medical Center, Zerifin, Israel, ⁵Pediatric Gastroenterology Unit, Sheba Medical Center- Edmond and Lily Safra Children’s Hospital-Tel-Hashomer, Ramat-Gan, Israel, ⁶The Juliet Keidan Institute of Pediatric Gastroenterology, Shaare Zedek Medical Center-, Jerusalem, Israel, ⁷Pediatric Gastroenterology Unit, ‘Dana-Dwek’ Children’s Hospital- Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel, ⁸Pediatric Gastroenterology Unit, Kaplan Medical Center, Rehovot, Israel, ⁹Pediatric Gastroenterology Unit, Rambam Medical Center, Haifa, Israel, ¹⁰Pediatric Gastroenterology Unit, Saban Pediatric Medical Center- Soroka University Hospital and Faculty of Health Sciences, Beer-Sheva, Israel, ¹¹Department of Gastroenterology, Sheba Medical Center- Tel-Hashomer, Ramat-Gan, Israel

¹ISCARE I.V.F. a.s., IBD Clinical and Research Centre, Prague, Czech Republic, ²Hospital Frydek-Mistek, Beskydy Gastroenterology Center- Department of Internal Medicine, Frydek-Mistek, Czech Republic, ³Pardubice Hospital, Endoscopy- Internal Department, Pardubice, Czech Republic, ⁴Krajska zdravotni- a.s.- Masaryk Hospital Usti nad Labem, Gastroenterology, Usti nad Labem, Czech Republic, ⁵Vitkovice Hospital, Digestive Diseases Center, Ostrava, Czech Republic, ⁶Regional Hospital Liberec, Gastroenterology and Hepatology, Liberec, Czech Republic, ⁷Thomayer Hospital and Third Faculty of Medicine- Charles University, Department of Internal Medicine, Prague, Czech Republic

¹General Surgery, L.Sacco University Hospital, Milan, Italy, ²Gastroenterology Unit, L.Sacco University Hospital, Milan, Italy