¹Asahikawa Medical University, Department of Medicine, Asahikawa, Japan, ²Asahikawa Kosei General Hospital, Asahikawa, Japan, ³Asahikawa City Hospital, Asahikawa, Japan

¹Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK, ²University of Aberdeen, Aberdeen, UK

¹The Royal London Hospital, Gastroenterology, London, UK, ²University College London Hospital, Gastroenterology, London, UK

¹AOU G. Martino – Messina, Department of Clinical and Experimental Medicine, IBD Unit, University of Messina, Messina, Italy, ²AOU G. Martino – Messina, Department of Clinical and Experimental Medicine, Cardiology Unit, University of Messina, Messina, Italy, ³AOU G. Martino - Messina, Department of Clinical and Experimental Medicine, Laboratory Medicine Unit, University of Messina, Messina, Italy

¹Lyon-Sud Hospital, Gastroenterology, Pierre Bénite, France, ²CHU Saint-Etienne, Gastroenterology, Saint-Etienne, France, ³CHU Nancy, Gastroenterology, Nancy, France, ⁴CHU Grenoble, Gastroenterology, Grenoble, France

¹University of Chicago Medicine, Inflammatory Bowel Disease Center, Chicago, IL, USA, ²University of Oxford, Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, Oxford, UK, ³Houston Methodist – Weill Cornell, Division of Gastroenterology and Hepatology, Houston, TX, USA, ⁴Pfizer Inc., Collegeville, PA, USA, ⁵Medical University of Vienna, Vienna, Austria

¹Cleveland Clinic Foundation, Colorectal Surgery, Cleveland, USA, ²Cleveland Clinic Foundation, Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland, USA

¹St. Paul's Hospital, Vancouver, Canada, ²Evangelismos Hospital, Athens, Greece, ³IBD Center, Mount Sinai Hospital, Toronto, Canada, ⁴Evidera, London, UK, ⁵Evidera, California, USA, ⁶Takeda USA Inc., Chicago, USA, ⁷Takeda SA Inc., Athens, Greece, ⁸Takeda Canada Inc., Toronto, Canada, ⁹Takeda Pharmaceuticals International, Deerfield, USA, ¹⁰Takeda International - UK Branch, London, UK, ¹¹Medical College of Wisconsin, Milwaukee, USA

¹Johns Hopkins University, Baltimore, USA

¹University of Oxford, Translational Gastroenterology Unit, Oxford, UK, ²University Hospitals Birmingham, Birmingham, UK, ³National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre (BRC), Birmingham, UK, ⁴University Hospitals Birmingham, Liver Unit, Birmingham, UK, ⁵University Health Network, University of Toronto, Toronto Centre for Liver Disease, Toronto, Canada, ⁶University of Birmingham, Institute of Immunology and Immunotherapy, Birmingham, UK, ⁷University of Birmingham, Institute of Applied Health Research, Birmingham, UK

¹Medical University of Vienna, Vienna, Austria, ²Amgen (Europe) GmbH, Rotkreuz, Switzerland, ³Amgen Inc., Thousand Oaks, USA

¹University Medical Center Groningen, Paediatric Gastroenterology, Groningen, The Netherlands, ²University Medical Center Groningen, Groningen, The Netherlands, ³University Medical Center Groningen, Laboratory Medicine, Groningen, The Netherlands

¹Radboud University Medical Center, Gastroenterology and Hepatology, Nijmegen, The Netherlands, ²Medisch Spectrum Twente, Gastroenterology and Hepatology, Enschede, The Netherlands, ³Jeroen Bosch Ziekenhuis, Gastroenterology and Hepatology, 's Hertogenbosch, The Netherlands, ⁴Franciscus Gasthuis and Vlietland, Gastroenterology and Hepatology, Rotterdam, The Netherlands, ⁵Onze Lieve Vrouwe Gasthuis, Gastroenterology and Hepatology, Amsterdam, The Netherlands

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

¹Gastroenterology, School of Medicine Federico II of Naples, Naples, Italy, ²Surgical Endoscopy, School of Medicine Federico II of Naples, Naples, Italy

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

¹Waitemata District Health Board, Gastroenterology, Auckland, New Zealand, ²University of Otago, Medicine, Christchurch, New Zealand, ³Southern District Health Board, Gastroenterology, Dunedin, New Zealand, ⁴Hutt Valley District Health Board, Gastroenterology, Hutt, New Zealand, ⁵Canterbury District Health Board, Gastroenterology, Christchurch, New Zealand, ⁶University of Otago, Gastroenterology, Dunedun, New Zealand

¹University of California San Diego, La Jolla, CA, USA, ²Icahn School of Medicine at Mount Sinai, New York, NY, USA, ³Mayo Clinic, Rochester, MN, USA, ⁴Cleveland Clinic Foundation, Cleveland, OH, USA, ⁵Montefiore Medical Center, New York, NY, USA, ⁶Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA, ⁷North Shore University Hospital, Manhasset, NY, USA, ⁸New York University (NYU), New York, NY, USA, ⁹Indiana University, Indianapolis, IN, United States, ¹⁰University of Minnesota, Minneapolis, MN, United States, ¹¹Lenox Hill Hospital, New York, NY, United States, ¹²University of Mississippi, Jackson, MS, United States, ¹³Takeda Pharmaceuticals U.S.A., Inc., Deerfield, IL, United States, ¹⁴University of Western Ontario, London, ON, Canada, ¹⁵Robarts Clinical Trials, London, ON, Canada

¹The Sixth Affiliated Hospital of Sun Yat-sen University, Department of Colorectal Surgery, Guangzhou, China, ²Tianjin Medical University General Hospital, Tianjin Medical University, Department of Gastroenterology and Hepatology, Tianjin, China

¹McGill University Health Center, Division of Gastroenterology, Montreal, Canada, ²Geneva’s University Hospitals and University of Geneva, Division of Gastroenterology and Hepatology, Geneva, Switzerland, ³Semmelweis University, First Department of Internal Medicine, Budapest, Hungary