Affiliations

• ¹ Department of Gastroenterology, Barts Health NHS Trust, London, Centre for Immunobiology, Blizard Institute, Faculty of Medicine, Barts & The London Medical School, Queen Mary University of London, UK.
• ² Gastrounit, medical division, Hvidovre Hospital, University of Copenhagen, Copenhagen Center for Inflammatory Bowel Disease in Children, Adolescents and Adults, Hvidovre Hospital, University of Copenhagen, Denmark.
• ³ Department of Medicine, Division of Gastroenterology, Mater Dei Hospital, Msida, Malta.
• ⁴ Department of Gastroenterology, Venizeleio General Hospital, Heraklion, Greece.
• ⁵ Department of Gastroenterology and Hepatology, Division of Internal Medicine, University and Medical School of Ioannina, Ioannina, Greece.
• ⁶ Department of Gastroenterology and Endoscopy, IRCCS Ospedale San Raffaele and University Vita-Salute San Raffaele, Milan, Italy.
• ⁷ GI Unit, 3rd Academic Department of Internal Medicine, National and Kapodistrian University of Athens, Sotiria Hospital, Athens, Greece.
• ⁸ University Hospital Santiago De Compostela CHUS, Department of Gastroenterology - IBD Unit, Santiago De Compostela, Spain.
• ⁹ School of Immunology and Microbiology, King's College London, The Medical Eye Unit, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK.
• ¹⁰ Division of Gastroenterology and Hepatology, GZO - Zurich Regional Health Center, Wetzikon, Division of Gastroenterology and Hepatology, University Hospital Lausanne - CHUV, Lausanne, Switzerland; Department of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland.
• ¹¹ Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London; Department of Dermatology, Royal London Hospital, Barts Health NHS Trust, London, UK.
• ¹² Gastroenterology, Clinic for Visceral Surgery and Medicine, Bern University Hospital, Bern, Switzerland; Crohn and Colitis Center, Gastro-entérologie Beaulieu SA, Lausanne, Switzerland.
• ¹³ Department of Internal Medicine and Pediatrics, Ghent University, Ghent; Department of Gastroenterology, Ghent University Hospital, Ghent, Belgium.
• ¹⁴ Department of Rheumatology and Clinical Immunology, Campus Kerckhoff, Justus Liebig University Giessen, Bad Nauheim, Germany.
• ¹⁵ Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
• ¹⁶ Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona UAB, Barcelona, Spain; Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania 'Luigi Vanvitelli', Naples, Italy.
• ¹⁷ Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy; Gastroenterology Unit, Azienda Ospedale Università di Padova, Padua, Italy.
• ¹⁸ Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Martin Zeitz Center for Rare Diseases, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Hamburg Center for Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
• ¹⁹ Gastroenterology Division and IBD Center, Internal Medicine Department, Azienda Unità Sanitaria Locale - IRCCS, 42122 Reggio Emilia, Italy.
• ²⁰ Interdisciplinary Crohn Colitis Centre Rhein-Main, Frankfurt/Main, Department of Gastroenterology and Clinical Nutrition, DGD Clinics Sachsenhausen, Frankfurt/Main, Germany.
• ²¹ Department of Gastroenterology, Hôpital Henri Mondor, APHP, Créteil, France.
• ²² Department of Paediatric Gastroenterology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.
• ²³ Department of Gastroenterology and Hepatology, University Hospital, Zurich, Switzerland.
• ²⁴ Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.
• ²⁵ Vascular Medicine Division and French Referral Center for Rare Auto-Immune Diseases, Université de Lorraine, INSERM, DCAC and CHRU-Nancy, Nancy, France.
• ²⁶ Department of Gastroenterology, Lüneburg Hospital, University of Münster, Lüneburg, Germany.