¹Uppsala University, Medical Sciences, Uppsala, Sweden, ²Karolinska Institutet, Medicine, Stockholm, Sweden, ³Karolinska Institutet, Women's and Children's Health, Stockholm, Sweden

¹Irving National Intestinal Failure Unit, Salford Royal NHS Foundation Trust, Surgery, Manchester, UK, ²Irving National Intestinal Failure Unit, Salford Royal NHS Foundation Trust, Gastroenterology, Manchester, UK

¹Toho University, Sakura Medical Center, Department of Internal Medicine, Division of Gastroenterology and Hepatology, Sakura-shi, Chiba, Japan, ²AbbVie GK, Tokyo, Japan, ³Kitasato University Kitasato Institute Hospital, IBD Centre, Tokyo, Japan

¹University of Szeged, 1st Department of Internal Medicine, Szeged, Hungary, ²University of Szeged, Institute of Laboratory Medicine, Szeged, Hungary, ³University of Szeged, Department of Medical Physics and Informatics, Szeged, Hungary, ⁴University of Debrecen, Department of Laboratory Medicine, Debrecen, Hungary, ⁵University of Debrecen, Department of Internal Medicine, Debrecen, Hungary, ⁶University of Debrecen, 2nd Department of Internal Medicine, Debrecen, Hungary

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

Adelaide and Meath, Incorporating National Childrens' Hospital, Tallaght, Department of Gastroenterology, Tallaght Hospital, Dublin and Department of Clinical Medicine, TCD, Dublin, Ireland

¹Moscow Clinical Research Center, Department of Inflammatory Bowel Disease, Moscow, Russian Federation, ²Medical Radiological Scientific Center, Department of Stem Cells Therapy, Obninsk, Russian Federation

Centro Hospitalar de Vila Nova de Gaia e Espinho, Vila Nova de Gaia, Portugal

Sapporo Kosei General Hospital, IBD Center, Sapporo, Japan

Hospital Ramón y Cajal, Servicio Gastroenterología y Hepatología, Madrid, Spain

Papa Giovanni XXIII Hospital, Bergamo, Italy

Med Taher Maamouri Hospital, GastroEnterology Department, Nabeul, Tunisia

Kliniczny Szpital Wojewódzki nr 2 im. Św. Jadwigi Królowej, Rzeszów and Faculty of Medicine, University of Rzeszów, Poland, Department of Gastroenterology with IBD Unit, Rzeszow, Poland

¹Fundeni Clinical Institute of Digestive Diseases and Liver Transplantation, Gastroenterology, Bucharest, Romania, ²University Hospital Ostrava, Ostrava, Czech Republic, ³Clinical Hospital Colentina, Bucharest, Romania, ⁴UMHAT Sveta Marina, Varna, Bulgaria

¹Borland-Groover Clinic, Jacksonville, USA, ²Community Clinical Research Network, Marlborough, USA, ³University of North Carolina School of Medicine, Chapel Hill, USA, ⁴PMG Research of Salisbury, Salisbury, USA, ⁵Concorde Medical Group PLLC, New York, USA, ⁶Delta Research Partners, Monroe, LA, United States, ⁷GW Research Inc., Chula Vista, CA, USA, ⁸University of Miami Hospital, Miami, FL, USA, ⁹Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA, ¹⁰Seres Therapeutics, Cambridge, MA, USA

¹Mayo Clinic College of Medicine, Gastroenterology and Hepatology, Rochester, USA, ²Icahn School of Medicine at Mount Sinai, Division of Gastroenterology, New York, USA, ³Gastroenterology, Mount Sinai Hospital, New York, USA, ⁴Rabin Medical Center, Division of Gastroenterology, Petah Tikva, Israel, ⁵Takeda Development Centre Europe Ltd., Evidence and Value Generation, London, UK, ⁶Takeda Pharmaceuticals International AG, Zurich, Switzerland, ⁷Takeda Pharmaceuticals International AG, Global Medical Affairs, Zurich, Switzerland

¹Hospital Universitario de La Princesa, Gastroenterology Unit, Madrid, Spain, ²Instituto de Investigación Sanitaria Princesa (IIS-IP), Madrid, Spain, ³Universidad Autónoma de Madrid, Madrid, Spain, ⁴Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain, ⁵Hospital de Galdakao-Usansolo, Gastroenterology Unit, Vizcaya, Spain, ⁶Hospital Universitario de Gran Canaria Doctor Negrín, Gastroenterology Unit, Las Palmas de Gran Canaria, Spain, ⁷Consorci Sanitari Terrassa, Gastroenterology Unit, Tarrasa, Spain, ⁸Hospital San Pedro, Gastroenterology Unit, Logroño, Spain, ⁹Hospital Clínico Universitario de Santiago, Gastroenterology Unit, Santiago de Compostela, Spain, ¹⁰Hospital Universitario Reina Sofía, Gastroenterology Unit, Córdoba, Spain, ¹¹IMIBIC, Córdoba, Spain, ¹²Hospital Universitario Son Espases, Gastroenterology Unit, Palma de Mallorca, Spain, ¹³Hospital Clínico Universitario Lozano Blesa, Gastroenterology Unit, Zaragoza, Spain, ¹⁴ISS Aragón, Zaragoza, Spain, ¹⁵Hospital General Universitario de Ciudad Real, Gastroenterology Unit, Ciudad Real, Spain, ¹⁶Hospital Universitario y Politécnico de La Fe, Gastroenterology Unit, Valencia, Spain, ¹⁷Hospital Universitario Central de Asturias, Gastroenterology Unit, Oviedo, Spain, ¹⁸Hospital Universitario de Marqués de Valdecilla, Gastroenterology Unit, Santander, Spain, ¹⁹Hospital San Pedro de Alcántara, Gastroenterology Unit, Cáceres, Spain, ²⁰Complejo Hospitalario de Navarra, Gastroenterology Unit, Pamplona, Spain, ²¹Hospital Universitario de Burgos, Gastroenterology Unit, Burgos, Spain, ²²Hospital General Universitario Morales Meseguer, Gastroenterology Unit, Murcia, Spain, ²³Universidad Autónoma de Madrid, Preventive Medicine and Public Health, Madrid, Spain, ²⁴IdiPAZ, Madrid, Spain, ²⁵Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain

¹University Teaching Hospital Lüneburg, Department of Internal Medicine and Gastroenterology, Lüneburg, Germany, ²University Teaching Hospital Lüneburg, Ambulanzzentrum Gastroenterologie, Lüneburg, Germany, ³Gastroenterology Practice, Oldenburg, Germany, ⁴Gastroenterology Practice, Mainz, Germany, ⁵AbbVie Deutschland GmbH & Co. KG, Medical Department, Wiesbaden, Germany

¹Complejo Hospitalario de Navarra, Gastroenterology, Pamplona, Spain, ²Hospital Universitario Miguel Servet, Gastroenterology, Zaragoza, Spain, ³Hospital Clínico Universitario Lozano Blesa, Gastroenterology, Zaragoza, Spain

Academic Medical Center (AMC), Department of Surgery, Amsterdam, The Netherlands