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

¹Clinical Hospital of Ministry of Interior Affairs and Administration, Department of General Medicine and Gastroenterology with Inflammatory Bowel Disease Subdivision, Warsaw, Poland, ²Jan Kochanowski University, Faculty of Medicine and Health Science, Kielce, Poland

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

¹DGD Clinics Sachsenhausen, Frankfurt/Main, Germany, ²Interdisciplinary Crohn Colitis Centre Rhein-Main, Frankfurt/Main, Germany, ³Hacettepe University, Faculty of Health Sciences, Ankara, Turkey

¹Dongnam Institute of Radiological and Medical Sciences, Department of Internal Medicine, Busan, South Korea, ²Inje University Haeundae Paik Hospital, Department of Internal Medicine, Busan, South Korea, ³Pusan National University Yangsan Hospital, Department of Gastroenterology, Busan, South Korea, ⁴Inje University Busan Paik Hospital, Department of Internal Medicine, Busan, South Korea

Hospital of Sagunto, Valencia, Spain

¹Ipsos Healthcare, Therapy Monitors, New York City, USA, ²Ipsos Healthcare, Therapy Monitors, London, UK

¹Fukuoka University Chikushi Hospital, IBD center, Chikushino-shi, Japan, ²Fukuoka University Chikushi Hospital, Gastroenterology, Chikushino-shi, Japan, ³Fukuoka University Chikushi Hospital, Endoscopy, Chikushino-shi, Japan

¹Interdisciplinary Crohn Colitis Centre Rhein-Main, Frankfurt/Main, Germany, ²DGD Clinics Sachsenhausen, Frankfurt/Main, Germany, ³Gastroenterological practice, Göppingen, Germany, ⁴Gastroenterological practice, Cottbus, Germany, ⁵Vifor Pharma Deutschland GmbH, Munich, Germany, ⁶Agaplesion Markus Krankenhaus, Frankfurt/Main, Germany