Gastroenterology Section, DiBiMis, University of Palermo, Palermo, Italy

The Children's Memorial Health Institute, Gastroenterology, Hepatology, Feeding Disorders and Paediatrics, Warsaw, Poland

Amgen Inc., Biosimilars, Thousand Oaks, USA

¹Center for Inflammatory and Digestive Diseases Eppendorf, Hamburg, Germany, ²University Hospital, Institute of Pathology, Dresden, Germany, ³Semmelweis University, Budapest, Hungary, ⁴Private Practice for Gastroenterology, Berlin, Germany, ⁵Private Practice, Ludwigshafen, Germany, ⁶Silkeborg Hospital, Diagnostic Center, Silkeborg, Denmark, ⁷Hospital Universitari Mutua Terrassa, Department of Gastroenterology, Terrassa, Spain, ⁸University of Health Sciences, Kaunas, Lithuania, ⁹Køge Hospital, Department of Medical Gastroenterology, Køge, Denmark, ¹⁰Private Practice, Solingen, Germany, ¹¹Dr. Falk Pharma GmbH, Clinical Research, Freiburg, Germany, ¹²Linköping University, Division of Gastroenterology and Hepatology, Linköping, Germany

¹Hopital Erasme, ULB, Department of gastroenterology, Brussels, Belgium, ²Université libre de bruxelles, Laboratory of Experimental Gastroenterology, Brussels, Belgium, ³KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium

¹University Hospital Münster, Department of Medicine B, Gastroenterology and Hepatology, Münster, Germany, ²University Hospital Münster, Department of Medicine B, Münster, Germany, ³Cleveland Clinic Foundation, Cleveland, Ohio, USA, Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland, USA, ⁴Cleveland Clinic Foundation, Cleveland, Ohio, USA, Department of Gastroenterology, Hepatology and Nutrition, Digestive Disease Institute, Cleveland, USA, ⁵Cleveland Clinic Foundation, Cleveland, Ohio, USA, Department of Pathobiology, Lerner Research Institute, Cleveland, USA

¹Sheba Medical Center and Sackler School of Medicine, Gastroenterology, Tel Hashomer, Israel, ²Sheba Medical Center and Sackler School of Medicine, Institute of Clinical Pharmacology, Tel Hashomer, Israel, ³CHU de Saint-Etienne, Service de Gastrologie-Entérologie-Hépatologie, Saint-Etienne, France, ⁴University Hospital of Saint Etienne, Department of Gastroenterology, Saint Etienne, France

¹Rambam Health Care Campus, Haifa, Israel, ²Sheba Medical Center, Gastroenterology, Ramat Gan, Israel, ³IDF Medical Corps, Tel Hashomer, Israel, ⁴Schneider Children's Medical Center, Gastroenterology, Petach Tikva, Israel

¹Mayo Clinic, Division of Gastroenterology and Hepatology, Rochester, USA, ²Medical University of Vienna, Vienna, Austria, ³University of Calgary, Calgary, Canada, ⁴AbbVie AB, Solna, Sweden, ⁵AbbVie Deutschland GmbH & Co. KG, Ludwigshafen, Germany, ⁶AbbVie Inc., North Chicago, USA, ⁷Academic Medical Center, Amsterdam, The Netherlands

¹Faculty of Medicine and Health, Örebro University, Department of Gastroenterology, Örebro, Sweden, ²Linköping University, Department of Gastroenterology, Linköping, Sweden, ³Danderyd Hospital, Department of Internal Medicine, Stockholm, Sweden, ⁴Skåne University Hospital, Department of Gastroenterology, Malmö, Sweden, ⁵St Göran Hospital, Department of Internal Medicine, Stockholm, Sweden, ⁶Karolinska Institute, Department of Medicine, Stockholm, Sweden, ⁷Skåne University Hospital, Department of Gastroenterology, Lund, Sweden, ⁸Kungsbacka Hospital, Department of Internal Medicine, Kungsbacka, Sweden, ⁹Takeda Pharma AB, Solna, Sweden, ¹⁰Ersta Hospital, Department of Gastroenterology, Stockholm, Sweden, ¹¹Södra Älvsborgs Hospital, Department of Internal Medicine, Borås, Sweden, ¹²Skaraborgs Hospital, Department of Internal Medicine, Lidköping, Sweden, ¹³Sunderby Hospital, Department of Internal Medicine, Sunderbyn, Sweden, ¹⁴Örebro University, Clinical Epidemiology and Biostatistics, Örebro, Sweden

¹Isarklinikum, Gastroenterology, Munich, Germany, ²Synesis, IBD research center, Munich, Germany, ³University of Munich, Gastroenterology, Munich, Germany

¹Erasmus MC, Gastroenterology and Hepatology, Rotterdam, The Netherlands, ²VU University Medical Centre, Gastroenterology and Hepatology, Amsterdam, The Netherlands, ³University Medical Center Groningen and University of Groningen, Gastroenterology and Hepatology, Groningen, The Netherlands, ⁴Franciscus Hospital and Vlietland Hospital, Gastroenterology and Hepatology, Rotterdam, The Netherlands, ⁵Zuyderland Medical Center, Clinical Gastroenterology and Hepatology, Heerlen-Sittard-Geleen, The Netherlands, ⁶Radboud University Nijmegen Medical Center, Gastroenterology and Hepatology, Nijmegen, The Netherlands

¹Hospital Universitario de Bellvitge, Gastroenterology, L´Hospitalet de Llobregat, Spain, ²Hospital Universitario de Bellvitge, Pharmacy, L´Hospitalet de LLobregat, Spain, ³Universitat de Barcelona, Pharmacy and pharmaceutical technology, Barcelona, Spain, ⁴Hospital Universitario de Bellvitge, Immunology, L´Hospitalet de LLobregat, Spain

¹IBD Unit, Presidio Columbus, Fondazione Policlinico Gemelli Università Cattolica, Rome, Italy, ²Division of Gastroenterology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy, ³Internal Medicine, Gastroenterology and Liver Unit, Fondazione Policlinico Universitario A. Gemelli, Rome, Italy, ⁴Gastroenterology Unit, RhoHospital, Rho, Italy, ⁵Intestinal Bowel Disease Unit,Ospedale Sacro Cuore Don Calabria, Negrar Verona, Italy, ⁶Gastroenterology Unit, Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy, ⁷MSD, Roma, Italy, ⁸Division of Gastroenterology, Casa Sollievo della Sofferenza Hospital, IRCCS, San Giovanni Rotondo Foggia, Italy, ⁹IBD and Pelvic Floor Unit, Azienda ospedaliera per l'emergenza, Ospedale Cannizzaro, Catania, Italy

Severance Children's Hospital, Department of Pediatrics, Seoul, South Korea

Alfred Health and Monash University, Gastroenterology, Melbourne, Australia

Humanitas Research Hospital, Rozzano, Milan, Italy

¹Hôpital Cantonal Fribourg, Fribourg, Switzerland, ²Szpital Pediatryczny w Bielsku-Białej, Bielsko-Biała, Poland, ³Kantonsspital Baselland, Liestal, Switzerland, ⁴BÜHLMANN Laboratories AG, Schoenenbuch, Switzerland

¹Hôpital Cantonal Fribourg, Fribourg, Switzerland, ²Wielospecjalistyczny Szpital Wojewódzki, Gorzów Wlkp, Poland, ³Kantonsspital Baselland, Liestal, Switzerland, ⁴BÜHLMANN Laboratories AG, Schoenenbuch, Switzerland

¹Cleveland Clinic, Department of Colon and Rectal Surgery, Cleveland, USA, ²University of California San Diego, Medicine, San Diego, USA, ³Elliot Health Systems, Manchester, USA, ⁴University of Utah, Surgery, Salt Lake City, USA, ⁵Cleveland Clinic, Clinical Transformation, Cleveland, USA