¹University ‘Federico II’ of Naples, Department of Clinical Medicine and Surgery, Naples, Italy, ²University ‘Federico II’ of Naples, Naples, Italy

¹University of Melbourne, Gastroenterology, Melbourne, Australia, ²University of Melbourne, Medicine, Melbourne, Australia, ³St Vincent’s University Hospital, Department of Gastroenterology, Melbourne, Australia, ⁴University of Western Australia, Gastroenterology, Perth, Australia, ⁵University of Adelaide, Adelaide, Australia, ⁶Flinders University, Gastroenterology, Flinders, Australia, ⁷Monash University, Gastroenterology, Melbourne, Australia, ⁸University Of Sydney, Concord Repatriation General Hospital, Department of Gastroenterology, Sydney, Australia, ⁹Queensland Institute of Medical Research, Medicine, Brisbane, Australia, ¹⁰University of Otago, Christchurch, Department of IBD, Gastroenterology, Christchurch, New Zealand, ¹¹Monash University, Medicine, Melbourne, Australia, ¹²University of New South Wales, Gastroenterology, Sydney, Australia, ¹³St Vincent’s University Hospital, Department of Colorectal Surgery, Melbourne, Australia, ¹⁴St Vincent’s University Hospital, Department of Colorectal Surgery, Melbourne, Australia, Melbourne, Australia

¹University of Pennsylvania Perelman School of Medicine, Gastroenterology, Philadelphia, Pennsylvania, United States, ²Univ. Klinik für Innere Medizin III, Vienna, Austria & McMaster University, Hamilton, Ontario, Canada, ³University of British Columbia, Vancouver, BC, Canada, ⁴Takeda Pharmaceuticals International, Inc, Deerfield, Illinois, United States, ⁵Takeda Pharmaceuticals International Co, Cambridge, Massachusetts, United States, ⁶Lovisenberg Diaconal Hospital, Oslo, Norway, ⁷IBD Centre, Istituto Clinico Humanitas, Milan, Italy, ⁸Robarts Research Institute, University of Western Ontario, Clinical Trials, London, Ontario, Canada, ⁹Icahn School of Medicine at Mount Sinai Hospital, New York, New York, United States, ¹⁰Gastroenterology Centre of Connecticut, Hamden, Connecticut, United States, ¹¹Gastroenterology Division, Washington University School of Medicine, St. Louis, Missouri, United States

¹Hospital Universitario de La Princesa, IIS-IP and CIBERehd, Gastroenterology Unit, Madrid, Spain, ²Hospital Universitario de La Princesa, IIS-IP and CIBERehd, Endocrinology Unit, Madrid, Spain, ³Hospital Universitario de Cruces, Gastroenterology Unit, Bilbao, Spain, ⁴Hospital Central de Asturias, Gastroenterology unit, Oviedo, Spain, ⁵Hospital San Pedro de Alcántara, Gastroenterology Unit, Cáceres, Spain, ⁶Hospital Universitario Reina Sofía, Gastroenterology Unit, Murcia, Spain, ⁷Hospital Virgen de la Altagracia, Gastroenterology Unit, Manzanares, Spain, ⁸Corporació Sanitària Parc Taulí and CIBERehd, Gastroenterology Unit, Sabadell, Spain, ⁹Hospital de Donostia, Instituto Biodonostia, UPV/EHU and CIBEREHD, Gastroenterology Unit, Guipuzcoa, Spain, ¹⁰Hospital Universitario Nuestra Señora de La Candelaria, Gastroenterology Unit, Tenerife, Spain, ¹¹Hospital San Jorge, Gastroenterology Unit, Huesca, Spain, ¹²Hospital Universitario Virgen de La Macarena, Gastroenterology Unit, Sevilla, Spain, ¹³Hospital Clínico Universitario de Santiago, Gastroenterology Unit, Santiago de Compostela, Spain, ¹⁴Hospital de Torrejón, Gastroenterology Unit, Madrid, Spain, ¹⁵Consorcio Hospital General Universitario de Valencia, Gastroenterology Unit, Valencia, Spain, ¹⁶Hospital Universitario de Alava, Gastroenterology Unit, Vitoria, Spain, ¹⁷Hospital Universitario Rio Hortega, Gastroenterology Unit, Valladolid, Spain, ¹⁸Hospital Universitario de Fuenlabrada, Gastroenterology Unit, Madrid, Spain, ¹⁹Hospital Universitario Virgen del Rocío, Gastroenterology Unit, Sevilla, Spain, ²⁰Parc Sanitari Sant Joan de Déu, Gastroenterology Unit, Barcelona, Spain, ²¹Hospital de Mérida, Gastroenterology Unit, Mérida, Spain, ²²Hospital Universitario Sant Joan de Reus, Gastroenterology Unit, Tarragona, Spain, ²³Hospital Universitario Puerta de Hierro, Gastroenterology Unit, Madrid, Spain, ²⁴Hospital Royo Villanova, Gastroenterology Unit, Zaragoza, Spain, ²⁵Hospital Universitario Fundación Alcorcón, Gastroenterology Unit, Madrid, Spain, ²⁶Hospital Universitario Infanta Sofía, Gastroenterology Unit, Madrid, Spain, ²⁷Hospital General Universitario de Castellón, Gastroenterology Unit, Castellón, Spain, ²⁸Hospital Comarcal Bidasoa, Gastroenterology Unit, Guipúzkoa, Spain, ²⁹Hospital General de Catalunya, Gastroenterology Unit, Barcelona, Spain, ³⁰Hospital Lucus Augusti, Gastroenterology Unit, Lugo, Spain, ³¹Hospital Marina Baixa, Gastroenterology Unit, Alicante, Spain, ³²Hospital Universitario de Cruces, Endocrinology Unit, Bilbao, Spain, ³³Hospital Central de Asturias, Gastroenterology Unit, Oviedo, Spain, ³⁴Hospital Universitario San Pedro Alcántara, Gastroenterology Unit, Cáceres, Spain, ³⁵Hospital Universitario Reina Sofía, Endocrinology Unit, Murcia, Spain, ³⁶Hospital de Sabadell. Institut Universitari ParcTaulí and CIBERehd, Gastroenterology Unit, Sabadell, Spain, ³⁷Hospital de Donostia, Endocrinology Unit, Donostia, Spain, ³⁸Hospital San Jorge, Endocrinology Unit, Huesca, Spain, ³⁹Hospital General Universitario de Valencia, Pharmacy Unit, Valencia, Spain, ⁴⁰Hospital Universitario Virgen del Rocío, Endocrinology Unit, Sevilla, Spain, ⁴¹Hospital Universitario Sant Joan de Reus, Endocrinology Unit, Tarragona, Spain, ⁴²Hospital Universitario Puerta de Hierro, Endocrinology Unit, Madrid, Spain, ⁴³Hospital Royo Villanova, Endocrinology Unit, Zaragoza, Spain, ⁴⁴Hospital General Universitario de Castellón, Endocrinology Unit, Castellón, Spain

¹Optum, Lincoln, Nebraska, United States, ²Janssen Scientific Affairs, LLC, Horsham, Pennsylvania, United States, ³Janssen Pharmaceutica NV, Beerse, Belgium

¹Adelaide and Meath Hospital, Trinity College Dublin, Gastroenterology, Trinity Academic Gastroenterology Group, Dublin, Ireland, ²Radboud University Medical Centre, Department of Gastroenterology, Nijmegen, Netherlands, ³Trinity College Dublin, Clinical Medicine, Trinity Academic Gastroenterology Group, Dublin, Ireland

¹CHU Nantes, Institut des Maladies de l’Appareil Digestif, Nantes, France, ²CHU Paris, Gastroenterologie, Paris, France, ³CHU Lille, Gastroenterologie, Lille, France, ⁴CHU, Gastroenterologie, Paris, France, ⁵CHU Tours, Gastroenterologie, Tours, France, ⁶CHU Amiens, Gastroentérologie, Amiens, France, ⁷CHU Caen, Gastroenterologie, Caen, France, ⁸CHU Liège, Gastroenterologie, Liège, Belgium, ⁹CHU Grenoble, Gastroenterologie, Grenoble, France, ¹⁰CHU Nice, Gastroenterologie, Nice, France, ¹¹CHU Bruxelles, Gastroenterologie, Bruxelles, Belgium, ¹²CHU toulouse, Gastroenterologie, Toulouse, France, ¹³CHU Montpellier, Gastroenterologie, Montpellier, France, ¹⁴CHU Saint Etienne, Gastroenterologie, Saint Etienne, France, ¹⁵Inserm, Biostatistique, Paris, France

¹University of Genoa, Internal Medicine Department, Genoa, Italy, ²G. Gaslini Institute, Paediatric Gastroenterology and Endoscopy, Genoa, Italy, ³University of Padua, Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, Padua, Italy

Tokyo Women’s Medical University, Gastroenterology, Tokyo, Japan

Evangelismos Hospital, Gastroenterology Department, Athens, Greece

¹University College Dublin, Dublin 4, Ireland, ²Our Lady’s Children’s Hospital Crumlin, Gastroenterology, Dublin, Ireland

Erasmus Medical Centre, Gastroenterology and Hepatology, Rotterdam, Netherlands

¹Hospital da Senhora da Oliveira, Gastroenterology, Guimarães, Portugal, ²Instituto de Investigação em Ciências da Vida e da Saúde, Universidade do Minho, Braga, Portugal, ³Laboratório Associado ICVS/3B´s, Braga, Portugal

Mater Dei Hospital, Gastroenterology, Msida, Malta

¹Evidera, Lexington, United States, ²Evidera, Hammersmith, United Kingdom, ³Evidera, San Francisco, United States, ⁴Takeda, London, United Kingdom

¹Third Department of Gastroenterology, Clinical Hospital Fundeni, Bucarest, Gastroenterology, Bucarest, Romania, ²Third Department of Gastroenterology, Clinical Hospital Fundeni, Bucarest, Hepatology, Bucarest, Romania, ³Third Department of Gastroenterology, Clinical Hospital Fundeni, Bucarest, Anatomical Pathology, Bucarest, Romania

Gachon University, Gil Hospital, Paediatrics, Incheon, South Korea

BÜHLMANN Laboratories AG, Schönenbuch, Switzerland

Second University of Naples, Unit of Colorectal Surgery, Naples, Italy

¹Central Clinical Hospital of the Ministry of Interior, Department of Gastroenterology with Inflammatory Bowel Diseases Subdivision, Warsaw, Poland, ²Faculty of Medicine and Health Science, Jan Kochanowski University, Kielce, Poland