¹Wonju College of Medicine, Yonsei University, Wonju, South Korea

¹Insittuto Investigación Princesa, Madrid, Spain

¹UiT-The Arctic University of Norway, Clinical Medcine, Tromsø, Norway, ²UiT-The Arctic University of Norway, Clinical Medicine, Tromsø, Norway, ³University Hospital of North Norway, Gastroenterology and Nutrition, Tromsø, Norway, ⁴UiT – The Arctic University of Norway, Clinical Medicine, Tromsø, Norway

¹IDIBAPS, Hospital Clínic, CIBERehd, Department of Gastroenterology, Barcelona, Spain, ²Hospital Sant Joan de Deu, Department of Gastroenterology, Hepatology and Pediatric Nutrition, Barcelona, Spain, ³Hospital Universitari Mutua Terrassa, Department of Gastroenterology, Terrassa, Barcelona, Spain

¹All India Institute of Medical Sciences, New Delhi, India, ²Translational Health Science and Technology Institute, Faridabad, India, ³John Radcliffe Hospital, Translational Gastroenterology Unit, Oxford, UK

¹University Hospital of Udine, Dipartimento di Area Medica, Udine, Italy, ²University Hospital of Udine, Istituto di Patologia Clinica, Udine, Italy, ³University Hospital of Udine, Gastroenterology, Udine, Italy

¹Yonsei University College of Medicine, Internal Medicine, Seoul, South Korea

¹Korea University Ansan Hospital, Internal medicine, Ansan, South Korea, ²Korea University Anam Hospital, Internal medicine, Seoul, South Korea

¹University of Valencia, Pharmacology, Valencia, Spain, ²Hospital Dr Peset, Valencia, Spain, ³University of Valencia, Medicine, Valencia, Spain

¹University Hospital, Gastroenterology, Santiago de Compostela, Spain, ²Fundación Ramón Domínguez, Santiago, Spain, ³University Hospital, Immunology, Santiago, Spain, ⁴Hospital Virgen de la Salud, Gastroenterology, Toledo, Spain

¹Novartis Pharma AG / NIBR, Autoimmunity, Transplantation and Inflammation Disease Area, Basel, Switzerland, ²Novartis Pharma AG / NIBR, Translational Medicine, Basel, Switzerland, ³University Basel, Deaprtment of Biomedicine, Basel, Switzerland, ⁴University Hospital Basel, Gastroenterology and Hepatology, Basel, Switzerland

¹Philip Morris International, PMI Science and Innovation, System Toxicology, Neuchatel, Switzerland, ²Philip Morris International Laboratories, PMI Science and Innovation, Pre-clinical Toxicology, Singapore, Singapore, ³Philip Morris International, PMI Science and Innovation, Biomarker and Biosensor Research, Neuchatel, Switzerland

¹Korea University, Seoul, South Korea

¹Pfizer, Andover, MA, USA, ²Pfizer, Cambridge, MA, USA, ³Q2 Solutions, Ithaca, NY, USA, ⁴Shire, Zug, Switzerland

¹Democritus University of Thrace, Laboratory of Pharmacology, Faculty of Medicine, Alexandroupolis, Greece, ²University of Crete, Laboratory of Gastroenterology, Faculty of Medicine, Heraklion, Greece, ³Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece, ⁴GI Unit, 3rd Academic Department of Internal Medicine, National and Kapodistrian University of Athens Sotiria Hospital, Athens, Greece

¹新桥医院, Radiology Department, Chongqing, China, ²新桥医院, Gastroenterology Department, Chongqing, China

¹Dongnam Institute of Radiological and Medical Sciences (DIRAMS), Busan, South Korea, ²Inje University Haeundae Paik Hospital, Busan, South Korea

¹National Medical Research Center for Children's Health, Laboratory of Experimental Immunology and Virology, Moscow, Russian Federation, ²National Medical Research Center for Children's Health, Gastroenterology and Hepatology, Moscow, Russian Federation, ³Sechenov First Moscow State Medical University, Department of Pediatrics and Pediatric Rheumatology, Moscow, Russian Federation, ⁴National Medical Research Center for Children's Health, Cytochemical Research Center, Moscow, Russian Federation

¹McMaster, Ontario, Canada, ²Amgen, Thousand Oaks, USA

¹University Hospital Münster, Department of Medicine B for Gastroenterology and Hepatology, Münster, Germany, ²University Hospital Münster, Institute of Palliative Care, Münster, Germany, ³University Hospital Münster, Department of General and Visceral Surgery, Münster, Germany, ⁴Klinikum Bayreuth, Institute of Pathology, Bayreuth, Germany, ⁵University of Münster, Biomedical Technology Center, Münster, Germany, ⁶Cleveland Clinic, Department of Gastroenterology, Hepatology and Nutrition, Digestive Diseases and Surgery Institute, Cleveland, USA, ⁷University of Muenster, Biomedical Technology Center, Münster, Germany