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

¹Faculty of Pharmacy and Biochemistry, University of Zagreb, Department of Pharmaceutical Analysis, Zagreb, Croatia, ²University Hospital Center, Department of Gastroenterology and Hepatology, Zagreb, Croatia

¹Kazan State Medical University, Hospital therapy, Kazan, Russian Federation, ²Kazan State Medical Academy, Kazan, Russian Federation, ³Republican Clinical Hospital, Kazan, Russian Federation

¹CHA University, Gastroenterology, Seongnam, South Korea, ²Univ of Ulsan, Gastroenterology, Seoul, South Korea

¹Karolinska Institute, Medicine, Stockholm, Sweden

¹St Mark's Hospital, Department of Colorectal Surgery, London, UK, ²Imperial College London, Department of Surgery and Cancer, London, UK, ³University of Kelaniya, Department of Surgery, Kelaniya, Sri Lanka, ⁴St Mark's Hospital, Department of Pathology, London, UK, ⁵Humanitas Clinical and Research Center, Division of Colon and Rectal Surgery, Milan, Italy, ⁶St Mark's Hospital, Department of Gastroenterology, London, UK, ⁷Humanitas University, Department of Biomedical Sciences, Milan, Italy

¹St Marks Hospital, Gastroenterology, Harrow, UK, ²Imperial College London, London, UK, ³Hillingdon Hospital, Gastroenterology, Hillingdon, UK

¹Tel Aviv medical Center, Digestive and liver Disease Research Center, Tel Aviv, Israel, ²University of North Carolina, Center for Gastrointestinal Biology and Disease, School of Medicine, Chapel Hill, USA, ³Tel Aviv Medical Center, Division of Surgery Colorectal Unit, Tel Aviv, Israel, ⁴Tel-Aviv University, Sackler Faculty of Medicine, Tel Aviv, Israel, ⁵Tel-Aviv University, Department of Molecular and Microbiology and Biotechnology, Tel Aviv, Israel, ⁶Rabin Medical Center, Division of Gastroenterology, Petah Tikva, Israel