¹Department of Inflammatory Bowel Disease- Division of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan, ²Department of Intestinal Inflammation Research, Hyogo College of Medicine, Nishinomiya, Japan

¹Department of Gastroenterology and Hepatology, Danderyds Hospital, Stockholm, Sweden, ²Gastrounit- Medical Division, Hvidovre University Hospital, Hvidovre, Denmark, ³Department of Medical Gastroenterology, Herlev Hospital, Herlev, Denmark, ⁴Department of Regional Health Research, University of Southern Denmark, O dense, Denmark, ⁵Department of Medicine, Hospital South West Denmark, Odense, Denmark, ⁶Department of Gastroenterology, University of Turku, Turku, Finland, ⁷Department of Gastroenterology, Oslo University Hospital, Oslo, Norway, ⁸Takeda AS, Medical Affairs, Asker, Norway, ⁹Takeda Oy, Medical Affairs, Helsinki, Finland, ¹⁰Takeda Pharma AB, Medical Affairs, Stockholm, Sweden, ¹¹Takeda Pharma A/S, Medical Affairs, Taastrup, Denmark, ¹²Department of Health Management and Health Economics, Institute of Health and Society, University of Oslo, Oslo, Norway

¹Division of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois CHUV and University of Lausanne, Lausanne, Switzerland, ²Institute of Social and Preventive Medicine IUMSP, Lausanne University Hospital, Lausanne, Switzerland, ³Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland, ⁴Vulkanplatz, Center for Gastroenterology and Hepatology, Zurich, Switzerland, ⁵Department of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland, ⁶Pediatrician Römerhof, Swiss EoE Center, Olten, Switzerland, ⁷Hôpital Riviera-Chablais, Department of Internal medicine, Monthey, Switzerland, ⁸Centre Hospitalier Universitaire Vaudois CHUV and University of Lausanne, Division of Visceral Surgery, Lausanne, Switzerland

¹Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, Hong Kong, China, ²Department of Medicine, Imperial College London, London, UK, ³Department of Medicine, University of Hong Kong, Hong Kong, Hong Kong, China, ⁴Department of Medicine and Geriatrics, Tuen Mun Hospital, Hong Kong, Hong Kong, China, ⁵Department of Medicine and Geriatrics, United Christian Hospital, Hong Kong, Hong Kong, China, ⁶Department of Medicine and Geriatrics, Prince Margaret Hospital, Hong Kong, Hong Kong, China, ⁷Queen Elizabeth Hospital, Department of Medicine, Hong Kong, Hong Kong, China, ⁸Department of Medicine, Pamela Youde Nethersole Eastern Hospital, Hong Kong, Hong Kong, China, ⁹Department of Medicine, Tseung Kwan O Hospital, Hong Kong, Hong Kong, China, ¹⁰Department of Acute and Rehabilitative Medicine and Geriatrics, Caritas Medical Centre, Hong Kong, Hong Kong, China, ¹¹Department of Medicine, North District Hospital, Hong Kong, Hong Kong, China, ¹²Department of Medicine and Geriatrics, Kwong Wah Hospital, Hong Kong, Hong Kong, China, ¹³Department of Medicine, Alice Ho Miu Ling Nethersole Hospital, Hong Kong, Hong Kong, China, ¹⁴Department of Medicine, Yan Chai Hospital, Hong Kong, Hong Kong, China

¹Icahn School of Medicine at Mount Sinai, Department of Gastroenterology, New York City, USA, ²Icahn School of Medicine at Mount Sinai, Gastroenterology, New York, USA, ³Amiens University Hospital, Gastroenterology, Amiens, France, ⁴Imelda GI Clinical Research Center, Gastroenterology, Bonheiden, Belgium, ⁵AZ Delta Roeselare, Gastroenterology, Roeselare, Belgium, ⁶2-nd Department of Internal Medicine, University Hospital Hradec Králové, Hradec Králové, Czech Republic, ⁷Amsterdam UMC, Gastroenterology, Amsterdam, The Netherlands, ⁸University of Calgary, Inflammatory Bowel Disease Unit, Calgary, Canada, ⁹Medical University of Vienna, Gastroenterology, Vienna, Austria, ¹⁰Fondazione Policlinico Universitario A. Gemelli IRCCS - Università Cattolica del Sacro Cuore, Inflammatory Bowel Disease Unit, Rome, Italy, ¹¹Medical Clinical Investigational Center of Medical Center Health Clinic LLC, Gastroenterology, Vinnytsia, Ukraine, ¹²Universitatea de Medicina si Farmacie, Gastroenterology, Timisoara, Romania, ¹³University of Oxford, Translational Gastroenterology Unit, Oxford, UK, ¹⁴CHU of Nice- University of Nice Sophia-Antipolis, Gastroenterology and clinical Nutrition Department, Nice, France, ¹⁵University Hospitals Leuven, Gastroenterology, Leuven, Belgium, ¹⁶University Hospital Zurich, Department of Gastroenterology and Hepatology, Zurich, Switzerland, ¹⁷Humanitas University, Istituto Clinico Humanitas, Milan, Italy, ¹⁸Central Clinical Hospital of Ministry of Interior and Aministration, Warsaw and University of JK, Gastroenterology, Kielce, Poland, ¹⁹Lille University, Claude Huriez Hospital, Lille, France, ²⁰Skane University Hospital, Gastroenterology, Lund, Sweden, ²¹Grigore T. Popa University of Medicine and Pharmacy, Gastroenterology, Iasi, Romania, ²²North Hospital, University of Mediterranean, Hepato-Gastroenterology Department, Marseille, France, ²³University of Medicine and Pharmacy ‘Carol Davila’, Gastroenterology, Bucharest, Romania, ²⁴Hôpital de Brabois, Hépato Gastro-Entérologie-, Nancy, France, ²⁵Hôpital Haut-Lévêque, Service d’Hépato-gastroentérologie et Oncologie Digestive, Bordeaux, France, ²⁶Kingsbury Hospital, Gastroenterology, Cape Town, South Africa, ²⁷Hospital Clínico de Zaragoza- IIS Aragón, Gastroenterology, Zaragoza, Spain, ²⁸Military Medical Academy named after S.M.Kirov, Gastroenterology, Saint-Petersburg, Russian Federation, ²⁹Kiel University, Department of Internal Medicine I, Kiel, Germany, ³⁰Sapporo Kosei General Hospital, IBD Center, Sapporo, Japan, ³¹Uppsala University Hospital, Gastroenterology, Uppsala, Sweden, ³²Faculty of Medicine and Health, Örebro University, Department of Gastroenterology, Örebro, Sweden, ³³Icahn School of Medicine at Mount Sinai, Department of Gastroenterology, New York, USA

¹John Radcliffe Hospital, Translational Gastroenterology Unit, Oxford, UK, ²John Radcliffe Hospital, Department of colorectal surgery, Oxford, UK

¹Hadassah-Hebrew University Medical Center, Department of Obstetrics and Gynecology, Jerusalem, Israel, ²Shaare Zedek Medical Center, IBD MOM unit- Digestive Diseases Institute, Jerusalem, Israel

¹Hvidovre Hospital- Copenhagen University, Gastrointestinal Unit, Hvidovre, Denmark, ²Danderyds Hospital, Gastroenterology and Hepatology, Stockholm, Sweden, ³Herlev Hospital, Department of Medical Gastroenterology, Herlev, Denmark, ⁴Department of Medicine- Hospital South West Denmark, Department of Regional Health Research- University of Southern Denmark, Odense, Denmark, ⁵University of Turku, Department of Gastroenterology, Turku, Finland, ⁶University Hospital, Department of Gastroenterology, Oslo, Norway, ⁷Oslo University Hospital, Department of Gastroenterology, Oslo, Norway, ⁸Takeda AS, Medical Affairs, Asker, Norway, ⁹Takeda Oy, Medical Affairs, Helsinki, Finland, ¹⁰Takeda Pharma AB, Medical Affairs, Stockholm, Sweden, ¹¹Takeda A/S, Medical Affairs, Taastrup, Denmark, ¹²Institute of Health and Society- University of Oslo, Department of Health Management and Health Economics, Oslo, Norway, ¹³Hvidovre University Hospital, Gastrounit- Medical Division, Hvidovre, Denmark

¹Humanitas University, Biomedical Sciences, Pieve Emanuele, Italy, ²Humanitas Research Hospital, IBD Center- Gastroenterology, Rozzano, Italy, ³IRCCS San Matteo Hospital- Hospital Foundation- University of Pavia, First Department of Internal Medicine, Pavia, Italy, ⁴Humanitas Gavazzeni, Radiology, Bergamo, Italy, ⁵Humanitas Gavazzeni, Gastroenterology and Endoscopy, Bergamo, Italy, ⁶Nancy University Hospital, Inserm U954, Nancy, France

¹Department of Gastroenterology, Alfred Health, Melbourne, Australia, ²Department of Gastroenterology, Monash University, Melbourne, Australia, ³Department of General Medicine, Eastern Health, Melbourne, Australia

¹Kyung Hee University Hospital at Gang Dong, Kyung Hee University College of Medicine, Department of Internal Medicine, Seoul, Korea Republic of, ²Asan Medical Center- University of Ulsan College of Medicine, Department of Gastroenterology, Seoul, Korea- Republic Of, ³Hansol Hospital, Department of Internal Medicine, Seoul, Korea- Republic Of, ⁴Samsung Medical Center- Sungkyunkwan University School of Medicine, Department of Medicine, Seoul, Korea Republic of, ⁵Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Department of Internal Medicine, Seoul, Korea Republic of, ⁶Yang Hospital, Department of Surgery, Seoul, Korea- Republic of, ⁷Seoul Song Do Colorectal Hospital, Digestive Endoscopic Center, Seoul, Korea Republic of, ⁸Kangdong Seoul Colon and Rectal Surgery, Surgery, Seoul, Korea Republic of, ⁹Daehang Hospital, Department of Gastroenterology-, Seoul, Korea Republic of, ¹⁰Seoul National University College of Medicine, Department of Internal Medicine and Liver Research Institute, Seoul, Korea- Republic of, ¹¹Seoul National University Bundang Hospital, Department of Internal Medicine, Seongnam, Korea Republic of, ¹²VHS Medical Center, Department of Internal Medicine, Seoul, Korea Republic of, ¹³Konkuk University School of Medicine- Konkuk University Medical Center, Department of Internal Medicine, Seoul, Korea Republic of, ¹⁴National Police Hospital, Department of Internal Medicine, Seoul, Korea Republic of, ¹⁵Jamsil Seoul Surgical Clinic, Surgery, Seoul, Korea- Republic of, ¹⁶Asan Medical Center- University of Ulsan College of Medicine, Department of Clinical Epidemiology and Biostatistics, Seoul, Korea Republic of

¹ISABIAL, General University Hospital of Alicante, Gastroenterology Department, Alicante, Spain, ²ISABIAL, General University Hospital of Alicante, Health Psychology Department, Alicante, Spain, ³University Hospital of San Juan, Gastroenterology Department, San Juan de Alicante, Spain, ⁴General University Hospital of Elche, Gastroenterology Department, Elche, Spain, ⁵La Fe University and Polytechnic Hospital, Gastroenterology Department, Valencia, Spain, ⁶University of Alicante, Public Health Department, Alicante, Spain

¹GETAID: Henri Mondor Hospital, Paris Est Creteil University, Department of Gastroenterology, Creteil Cedex, France, ²Huriez Hospital, Gastroenterology, Lille, France, ³Beaujon University Hospital, Gastroenterology- IBD and Nutrition Support, Clichy, France, ⁴Hopital Nord, Gastroenterology, Marseille, France, ⁵Nice University Hospital, Gastroenterology, Nice, France, ⁶Saint Etienne University Hospital, Gastroenterology, Saint Etienne, France, ⁷Saint Antoine University Hospital, Gastroenterology, Paris, France, ⁸Rennes University Hospital, Gastroenterology, Rennes, France, ⁹Erasme University Hospital, Gastroenterology, Bruxelles, Belgium, ¹⁰Rouen University Hospital, Gastroenterology, Rouen, France, ¹¹Clermont Ferrand University Hospital, Gastroenterology, Clermont-Ferrand, France, ¹²Liege University Hospital, Gastroenterology, Liege, Belgium, ¹³Hospices Civils de Lyon, Gastroenterology, Lyon, France, ¹⁴Cochin University Hospital, Gastroenterology, Paris, France, ¹⁵Strasbourg University Hospital, Gastroenterology, Strasbourg, France, ¹⁶Cliniques Universitaires Saint Luc, Gastroenterology, Bruxelles, Belgium, ¹⁷Besnacon University Hospital, Gastroenterology, Besancon, France, ¹⁸Grenoble University Hospital, Gastroenterology, Grenoble, France, ¹⁹Nancy University Hospital, Gastroenterology, Nancy, France, ²⁰Toulouse, University Hospital, Gastroenterology, France, ²¹Saint Louis University Hospital, Gastroenterology, Paris, France, ²²Caen university Hospital, Gastroenterology, Caen, France, ²³Nantes University Hospital, Gastroenterology, Nantes, France, ²⁴Angers University Hospital, Gastroenterology, Angers, France, ²⁵Reims University Hospital, Gastroenterology, Reims, France, ²⁶Valenciennes General Hospital, Gastroenterology, Valenciennes, France, ²⁷Colmar General Hospital, Gastroenterology, COlmar, France, ²⁸Montpellier University Hospital, Gastroenterology, Montpellier, France, ²⁹Amiens University Hospital, Gastroenterology, AMiens, France, ³⁰Nimes University Hospital, Gastroenterology, Nimes, France, ³¹Bordeaux University Hospital, Gastroenterology, Bordeaux, France

University of Chicago Medicine, Inflammatory Bowel Disease Center, Chicago, USA

¹Royal Devon and Exeter NHS Foundation Trust, Gastroenterology, Exeter, UK, ²Royal Devon and Exeter NHS Foundation Trust, Colorectal Surgery, Exeter, UK

¹Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal, ²PT Government Associate Laboratory, ICVS/3B’s, Braga/Guimarães, Portugal, ³Life and Health Sciences Research Institute ICVS, School of Medicine, University of Minho, Braga, Portugal

¹Department of Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, The Netherlands, ²Department of Vascular Internal Medicine, Erasmus Medical Centre, Rotterdam, The Netherlands

¹IBD group, 1A.Aliyev’s State Advanced Training Institute for Doctors, Department of Therapy- IBD group, Baku, Azerbaijan, ²Memorial klinika, IBD therapy department, Baku, Azerbaijan, ³Modern Hospital, gastroenterology and endoscopy department, Baku, Azerbaijan, ⁴National Center of Oncology, Department of Invasive diagnosis and therapy, Baku, Azerbaijan, ⁵Oksigen Klinika, gastroenterology and endoscopy department, Baku, Azerbaijan, ⁶A.Aliyev’s State Advanced Training Institute for Doctors, Department of Therapy- IBD group, Baku, Azerbaijan

¹ASST Fatebenefratelli Sacco, Gastroenterology Unit, Milan, Italy, ²ASST Fatebenefratelli Sacco, Pathology Unit, Milan, Italy, ³University of Milan, Chair of Statistics, Milan, Italy

Federico II University of Naples, Department of Clinical Medicine- Gastroenterology and Surgery, Naples, Italy