¹Hyogo College of Medicine, Intestinal Inflammation Research, Nishinomiya, Hyogo, Japan, ²Yamaguchi University Hospital, Center For Clinical Research, Yamaguchi, Japan, ³Nishishita Gastrointestinal Hospital, Osaka, Japan, ⁴Prefectural University of Hiroshima, Hiroshima, Japan, ⁵Iseikai Hospital, Osaka, Japan, ⁶Kyushu University, Fukuoka, Japan, ⁷Hiroshima University Hospital, Hiroshima, Japan, ⁸Kyoto Katsura Hospital, Kyoto, Japan, ⁹Fukuoka University Chikushi Hospital, Fukuoka, Japan, ¹⁰Osaka Medical College, Osaka, Japan, ¹¹Inoue Gastroenterology and Endoscopy Clinic, Osaka, Japan, ¹²Hyogo College of Medicine, Nishinomiya, Hyogo, Japan, ¹³Takano Hospital, Kumamoto, Japan, ¹⁴Kinki University, Osaka, Japan, ¹⁵Toho University Sakura Medical Center, Chiba, Japan, ¹⁶Fujita Health University School of Medicine, Aichi, Japan, ¹⁷Jikei University School of Medicine, Tokyo, Japan, ¹⁸The Cancer Institute Hospital Of JFCR, Tokyo, Japan, ¹⁹National Cancer Center Hospital, Tokyo, Japan, ²⁰Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan

¹La Fe University and Polytechnic Hospital, Valencia, Spain, ²CIBEREHD (Networked Biomedical Research Center for Hepatic and Digestive Diseases), Valencia, Spain, ³Health Research Institute La Fe, Valencia, Spain, ⁴University of Valencia, Valencia, Spain, ⁵Joint Research Unit in Biomedical Engineering (eRPSS: IIS La Fe-UPV), Valencia, Spain, ⁶Connected Health Services, Valencia, Spain, ⁷Red de Investigación en Servicios de Salud en Enfermedades Crónicas (REDISSEC), Madrid, Spain, ⁸Systems Department, La Fe University and Polytechnic Hospital, Valencia, Spain

¹Academic Medical Center (AMC), Department of Gastroenterology and Hepatology, Amsterdam, The Netherlands, ²Haukeland University Hospital, National Centre for Ultrasound in Gastroenterology, Bergen, Norway

¹Faculty of Medicine, University of Porto,, Department of Biomedicine, Unit of Pharmacology and Therapeutics, Porto, Portugal, ²Centro Hospitalar São João, Gastroenterology Department, Porto, Portugal, ³Centre for Drug Discovery and Innovative Medicines, University of Porto, Porto, Portugal, ⁴Faculty of Medicine of the University of Lisbon, Lisbon, Portugal, ⁵Instituto de Saúde Ambiental, Faculty of Medicine of Lisbon, Lisbon, Portugal, ⁶Hospital Garcia de Orta, Department of Gastroenterology, Almada, Portugal, ⁷Centro Hospitalar do Algarve, Gastroenterology Department, Portimão, Portugal, ⁸Instituto Português de Oncologia de Lisboa,, Gastroenterology Department, Lisboa, Portugal, ⁹Centro Hospitalar São Joao, Department of Gastroenterology, Porto, Portugal, ¹⁰Centro Hospitalar de Gaia, Department of Gastroenterology and Hepatology, Vila Nova de Gaia, Portugal, ¹¹Faculty of Medicine, University of Porto, Health Information and Decision Sciences Department, Porto, Portugal, ¹²Center for Health Technology and Services Research, Porto, Portugal

Erasmus Medical Center, Gastroenterology and Hepatology, Rotterdam, The Netherlands

Ümraniye Training and Research Hospital, Gastroenterology, Istanbul, Turkey

¹Hospital De Sabadell, Institut Universitari Parc Taulí, Digestive Unit, Sabadell, Spain, ²Complejo Hospitalario de Pontevedra, Gastroenterology Unit, Pontevedra, Spain, ³Unidad de Gastroenterología,Hospital General de Valencia, Valencia, Spain, ⁴Hospital Universitario Puerta de Hierro, Servicio de Gastroenterologia, Madrid, Spain, ⁵Hospital Universitari Germans Trias i Pujol and CIBERehd, Gastroenterology Unit, Badalona, Spain, ⁶Spanish Association of patients with Crohn´s disease and Ulcerative colitis, Madrid, Spain, ⁷MSD, Medical Department, Madrid, Spain, ⁸Hospital Vall d´Hebron, Gastroenterology Department, Barcelona, Spain

¹Alexandria University, Gastroenterology, Alexandria, Egypt, ²Alexandria University, Clinical Pathology, Alexandria, Egypt, ³Alexandria University, Radiodiagnosis, Alexandria, Egypt

¹University of Messina, Department of Clinical and Experimental Medicine, Messina, Italy, ²University of Messina, Department of Economics, Messina, Italy

¹University of Alberta, Biological Sciences and Psychology, Edmonton, Canada, ²University of Alberta, Zeidler Ledcor Center, Department of Gastroenterology, Edmonton, Canada, ³University of Alberta, Zeidler Ledcor Centre, Department of Gastroenterology, Edmonton, Canada, ⁴University of Alberta, Department of Medicine, Edmonton, Canada

¹Centro Hospitalar Vila Nova de Gaia/Espinho, Gastroenterology and Hepatology, Vila Nova de Gaia, Portugal, ²Centro Hospitalar São João, Psychiatry, Porto, Portugal

¹Reina Sofia University Hospital, Gastroenterology, Córdoba, Spain, ²Reina Sofia University Hospital, Nuclear Medicine, Córdoba, Spain, ³Instituto Maimónides de Investigación Biomédica de Córdoba, Córdoba, Spain

¹Logan Hospital, Gastroenterology department, Meadowbrook, Australia, ²Queen Elizabeth II Hospital, Colorectal Surgery, Coopers Plains, Australia

Chaim Sheba Medical Center, Gastroenterology, Ramat Gan, Israel

¹Hospital Universitari Mutua Terrassa, Gastroenterology, Terrassa, Spain, ²CIBERehd, Terrassa, Spain

Hospital University of Sahloul, Gastroenterology, Sousse, Tunisia

¹Seoul National University Bundang Hospital, Internal medicine, Seongnam, South Korea, ²Seoul National University College of Medicine, Internal Medicine and Liver Research Institute, Seoul, South Korea

¹University Hospital Zurich, Division of Gastroenterology and Hepatology, Zurich, Switzerland, ²University of Lausanne, IUMSP, Lausanne, Switzerland, ³Klinik Hirslanden, Department of Gastroenterology, Zurich, Switzerland, ⁴University of Bern, Institute of Social and Preventive Medicine, Bern, Switzerland, ⁵CHUV - Centre Hospitalier Universitaire Vaudois, Department of Gastroenterology, Lausanne, Switzerland, ⁶Hospital Triemli, Gastroenterology and Hepatology, Zurich, Switzerland, ⁷University Hospital Zurich, Gastroenterology and Hepatology, Zurich, Switzerland

¹University Hospital Estaing, Gastroenterology Department, Clermont-Ferrand, France, ²UMR 1071 Inserm/Université d'Auvergne; USC-INRA 2018, Microbes, Intestine, Inflammation and Susceptibility of the Host, Clermont-Ferrand, France, ³Queen Elizabeth Hospital, Department of Medicine, Hong Kong, Hong Kong, ⁴Inflammatory Bowel Disease Center University of Chicago Medicine, Chicago, USA, ⁵University Hospital, Biostatistics Unit, DRCI, Clermont-Ferrand, France

¹Hospital Clinic Barcelona, Gastroenterology, CIBERehd, IDIBAPS, University of Barcelona, Barcelona, Spain, ²University Hospital Clinic de Barcelona, Department of Radiology, CIBER-EHD, IDIBAPS, Barcelona, Spain