Mustafa Kemal University School of Medicine, Department of Gastroenterology, Antakya/HATAY, Turkey

¹San Filippo Neri, IBD Unit- Gastroenterology, Rome, Italy, ²Università Cattolica del Sacro Cuore, EngageMinds Hub Research, Department of Psychology, Milan, Italy, ³San Filippo Neri Hospital, IBD Unit, Gastroenterology, Rome, Italy

¹Sheba Medical Center, Tel Hashomer, Department of Gastroenterology, Ramat Gan, Israel, ²Tel-Aviv University, Sackler school of Medicine, Tel Aviv, Israel, ³Sheba Medical Center, Tel Hashomer, Department of Diagnostic Imaging, Ramat Gan, Israel, ⁴Sheba Medical Center, Tel Hashomer, DeepVision Lab, Ramat Gan, Israel, ⁵Sheba Medical Center, Tel Hashomer, Pulmonary Institute, Ramat Gan, Israel

¹Hamad Medical Corporation, Department of Gastroenterology, Doha, Qatar, ²Hamad Medical Corporation, Research Affairs, Doha, Qatar, ³Hamad Medical Corporation, Department of Radiology, Doha, Qatar

¹Brotzu Hospital, Gastroenterology Unit, Cagliari, Italy, ²San Martino Hospital, Digestive Endoscopy, Oristano, Italy, ³’P. Colombo’ Hospital, General Surgery, Velletri, Italy, ⁴San Camillo Forlanini Hospital, Gastroenterology Unit, Rome, Italy, ⁵Santissima Trinita Hospital, Gastroenterology Unit, Cagliari, Italy, ⁶Policlinico Universitario, Gastroenterology Unit, Cagliari, Italy, ⁷Università, Clinica Medica, Sassari, Italy, ⁸Santissima Annunziata Hospital, Gastroenterology Unit, Sassari, Italy, ⁹Cardinale Panico Hospital, Medicine, Tricase, Italy, ¹⁰NS Bonaria Hospital, Endoscopy, San Gavino, Italy, ¹¹Presidio Columbus Fondazione Policlinico Universitario A. Gemelli IRCCS- Università Cattolica del Sacro Cuore, IBD Unit, Rome, Italy

¹Tel-Aviv Medical Center, IBD Center, Department of Gastroenterology and Liver Diseases, Tel-Aviv, Israel, ²Tel-Aviv University, The Sackler Faculty of Medicine, Tel-Aviv, Israel, ³University of Haifa, School of Public Health, Haifa, Israel

¹Kliniczny Szpital Wojewodzki Nr 2 im. Sw. Krolowej Jadwigi w Rzeszowie, Klinika Gastroenterologii i Centralna Pracownia Endoskopii, Rzeszow, Poland, ²Uniwersytet Rzeszowski, Instytut Nauk o Zdrowiu- Kolegium Nauk Medycznych, Rzeszów, Poland

¹Medical University of Lublin, Department of Conservative Dentistry with Endodontics, Lublin, Poland, ²Medical College of Rzeszow University, Institute of Health Sciences, Rzeszow, Poland, ³Medical University of Lublin, Department of Pharmaceutical Microbiology, Lublin, Poland, ⁴Clinical Hospital No.2 Rzeszow- affiliated to University of Rzeszow, Department of Internal Medicine- Endocrinology and Nephrology, Rzeszow, Poland, ⁵Medical College of Rzeszow University, Department of Gastroenterology with IBD Unit of Clinical Hospital No.2- Poland, Rzeszow, Poland

¹Kyungpook National University Children’s Hospital- Kyungpook National University School of Medicine, Department of Pediatrics, Daegu, Republic of Korea, ²Samsung Medical Center- Sungkyunkwan University School of Medicine, Department of Pediatrics, Seoul, Republic of Korea, ³Severance Hospital- Yonsei University College of Medicine, Department of Pediatrics, Seoul, Republic of Korea, ⁴Pusan National University Children’s Hospital- Pusan National University School of Medicine, Department of Pediatrics, Yangsan, Republic of Korea, ⁵Gachon University Gil Medical Center- Gachon University College of Medicine, Department of Pediatrics, Incheon, Republic of Korea

¹Digestive Unit Hospital de Barbastro, Barbastro, Spain, ²Digestive Unit Hospital Royo Villanova, Zaragoza, Spain, ³Digestive Unit Hospital San Jorge, Huesca, Spain, ⁴Digestive Unit Hospital Obispo Polanco, Teruel, Spain, ⁵Digestive Unit Hospital de Alcañiz, Barbastro, Spain, ⁶Digestive Unit Hospital Ernest LLuch, Calatayud, Spain, ⁷Digestive Unit Hospital Clínico Universitario, Zaragoza, Spain, ⁸Hospital Miguel Servet, Zaragoza, Spain, ⁹carretera nacional 240, Digestive unit, Barbastro, Spain

¹University Hospital of Larisa, Gastroenterology, Larisa, Greece, ²General Hospital of Athens ‘Sismanogleio’, Gastroenterology, Athens, Greece, ³University Hospital of Athens ‘Laiko’, Public Health, Athens, Greece

¹University Medical Center - Groningen, Department of Gastroenterology and Hepatology, Groningen, The Netherlands, ²University Medical Center Groningen, Department of Epidemiology, Groningen, The Netherlands, ³Wageningen University and Research, Division of Human Nutrition and Health, Wageningen, The Netherlands

¹Statens Serum Institute, Department for Epidemiology Research, Copenhagen, Denmark, ²Zealand University Hospital, Department of Gastroenterology, Copenhagen, Denmark, ³Hôpital Saint-Antoine- Assistance Publique - Hôpitaux de Paris, Department of Gastroenterology, Paris, France, ⁴Sorbonne Université, INSERM- Institut Pierre Louis d’Epidémiologie et de Santé Publique, Paris, France

¹Eunpyeong St. Mary’s Hospital- College of Medicine- The Catholic University of Korea, Internal Medicine, Seoul, Republic of Korea, ²Inje University Haeundae Paik Hospital, Internal Medicine, Busan, Republic of Korea, ³Pusan National University School of Medicine and Biomedical Research Institute- Pusan National University Hospital, Internal Medicine, Busan, Republic of Korea, ⁴St.Vincent’s Hospital- The Catholic university of Korea, Internal Medicine, Seoul, Republic of Korea, ⁵College of Medicine- Hallym University, Internal Medicine, Anyang, Republic of Korea, ⁶Soonchunhyang University Bucheon Hospital, Gastroenterology and Hepatology, Bucheon, Republic of Korea, ⁷Healthcare System Gangnam Center- Seoul National University Hospital, Internal Medicine, Seoul, Republic of Korea, ⁸Ewha Womans University College of Medicine, Internal Medicine, Seoul, Republic of Korea, ⁹Inje University Busan Paik Hospital, Internal Medicine, Busan, Republic of Korea

¹University of Edinburgh, Child Life and Health, Edinburgh, UK, ²Royal Hospital for Sick Children, Paediatric Gastroenterology and Nutrition, Edinburgh, UK, ³Royal Hospital for Children, Paediatric Gastroenterology and Nutrition, Glasgow, UK, ⁴Royal Aberdeen Children’s Hospital, Paediatric Gastroenterology and Nutrition, Aberdeen, UK

¹Janssen-Cilag, External Affairs, Birkerød, Denmark, ²Janssen-Cilag, Medical Affairs, Birkerød, Denmark, ³Janssen-Cilag, External Affairs, High Wycombe, UK, ⁴Incentive, Evidence Generation, Holte, Denmark, ⁵LEO Pharma, Global Governmental Affairs, Copenhagen, Denmark, ⁶Janssen-Cilag, Real World Evidence and Epidemiology, Solna, Sweden, ⁷Odense University Hospital, Surgical Department A and IBD Care, Odense, Denmark, ⁸North Zealand University Hospital, Gastroenterology Department, Frederikssund, Denmark

¹Yonsei University Wonju College of Medicine, Department of Internal Medicine- Division of Gastroenterology and Hepatology, Wonju, Republic of Korea, ²Yonsei University Wonju College of Medicine, Department of Internal Medicine, Wonju, Republic of Korea, ³Yonsei University Wonju College of Medicine, Center of Biomedical Data Science, Wonju, Republic of Korea, ⁴Yonsei University Wonju College of Medicine, Medicine, Wonju, Republic of Korea

¹Janssen-Cilag, External Affairs, Birkerød, Denmark, ²Janssen-Cilag, Medical Affairs, Birkerød, Denmark, ³Janssen-Cilag, External Affairs, High Wycombe, UK, ⁴Incentive, Evidence Generation, Holte, Denmark, ⁵LEO Pharma, Global Public Affairs, Copenhagen, Denmark, ⁶Odense University Hospital, Surgical Department A and IBD Care, Odense, Denmark, ⁷North Zealand University Hospital, Gastroenterology Department, Frederikssund, Denmark

¹University Hospitals Leuven- KU Leuven, Department of Gastroenterology and Hepatology, Leuven, Belgium, ²Centre Hospitalier Universitaire Pontchaillou, Gastroenterology, Rennes, France, ³S. Orsola-Malpighi Hospital, Dept. of Digestive Diseases, Bologna, Italy, ⁴Klinikum Braunschweig, Medizinische Klinik I, Braunschweig, Germany, ⁵Takeda Pharmaceuticals International AG, Medical Affairs- Europe & Canada, Zürich, Switzerland, ⁶IQVIA, Health Economics and Outcome Research, Barcelona, Spain, ⁷IQVIA Commercial GmbH & Co. OHG, Health Economics and Outcome Research, München, Germany, ⁸Takeda Pharmaceutical International AG, Medical Affairs- Europe & Canada, Zürich, Switzerland, ⁹Hospital Clínic de Barcelona, Department of Gastroenterology, Barcelona, Spain

¹Department of Gastroenterology, University of California San Diego, San Diego, USA, ²Gastroenterology, Takeda Pharmaceuticals, Deerfield, USA