¹Research Group Gastroenterology Nutrition, Institute of Clinical Medicine, UiT the Arctic University of Norway, Tromsø, Norway, ²Division of Internal Medicine, Department of Gastroenterology, Tromsø, Norway

¹Hospital Universitari Germans Trias I Pujol, Department of Gastroenterology, Badalona, Spain, ²Department of Gastroenterology and Hepatology, CIBEREHD, Madrid, Spain, ³Department of Gastroenterology and Hepatology, Hospital Universitario Ramón y Cajal, Madrid, Spain, ⁴Department of Gastroenterology, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ⁵Department of Gastroenterology, IDIVAL, Santander, Spain, ⁶Department of Gastroenterology, Hospital Universitari i Politècnic La Fe, Valencia, Spain, ⁷Department of Gastroenterology, Hospital del Mar, Barcelona, Spain, ⁸Department of Gastroenterology, Hospital Universitario Puerta de Hierro, Majadahonda, Spain, ⁹Department of Gastroenterology, Complejo Hospitalario Universitario de Vigo, Vigo, Spain, ¹⁰Department of Gastroenterology, Hospital Universitario Donostia, San Sebastián, Spain, ¹¹Department of Gastroenterology, Universidad del País Vasco UPV/EHU, San Sebastián, Spain, ¹²Department of Gastroenterology, Instituto Biodonostia, San Sebastián, Spain, ¹³Department of Gastroenterology, Complexo Hospitalario Universitario de Santiago, Santiago de Compostela, Spain, ¹⁴Department of Gastroenterology, Corporació Sanitària Universitària Parc Taulí, Sabadell, Spain, ¹⁵Department of Gastroenterology, Hospital Universitario Reina Sofía, Córdoba, Spain, ¹⁶Department of Gastroenterology, IMIBIC, Córdova, Spain, ¹⁷Department of Gastroenterology and Hepatology, Hospital Universitario Miguel Servet, Zaragoza, Spain, ¹⁸Department of Gastroenterology, Hospital Universitari de Bellvitge, L’Hospitalet de Llobregat, Spain, ¹⁹Department of Gastroenterology, Hospital Universitario de Burgos, Burgos, Spain, ²⁰Department of Gastroenterology, Consorci Sanitari Terrassa, Terrassa, Spain, ²¹Department of Gastroenterology, Hospital Universitario Central de Asturias, Oviedo, Spain, ²²Department of Gastroenterology, Hospital Universitario Río Hortega, Valladolid, Spain, ²³Department of Gastroenterology, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain, ²⁴Department of Gastroenterology, Hospital Universitario Fundación de Alcorcón, Madrid, Spain, ²⁵Department of Gastroenterology, Hospital General San Jorge, Huesca, Spain, ²⁶Department of Gastroenterology, Hospital Universitario de La Princesa, Madrid, Spain, ²⁷Department of Gastroenterology, Hospital General Universitario de Valencia, Valencia, Spain, ²⁸Department of Gastroenterology, Hospital Universitario Infanta Sofía, Madrid, Spain, ²⁹Department of Gastroenterology and Hepatology, Hospital General de Granollers, Granollers, Spain, ³⁰Department of Gastroenterology, Althaia Xarxa Assistencial Universitària de Manresa, Manresa, Spain, ³¹Department of Gastroenterology, Hospital General Universitario de Alicante, Alicante, Spain, ³²Department of Gastroenterology, Complejo Hospitalario de Navarra, Navarra, Spain, ³³Department of Gastroenterology, Hospital Moisès Broggi, Sant Joan Despí, Spain, ³⁴Department of Gastroenterology, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain, ³⁵Department of Gastroenterology, Hospital Universitario de Canarias, La Laguna, Spain, ³⁶Department of Gastroenterology, Hospital Universitario Arnau de Vilanova, Lleida, Spain, ³⁷Department of Gastroenetology, Hospital General Universitario de Castellón, Castellón, Spain, ³⁸Department of Gastroenterology, Hospital Universitario de Álava, Vitoria, Spain, ³⁹Department of Gastroenterology, Hospital de Galdakao-Usansolo, Galdakao, Spain, ⁴⁰Department of Gastroenterology, Hospital Universitario Joan XXIII, Tarragona, Spain, ⁴¹Department of Gastroenterology, Hospital Universitario Nuestra Señora de la Candelaria, Santa Cruz de Tenerife, Spain

¹Hospital Universitario Puerta de Hierro, Majadahonda, Gastroenterology and Hepatology Department, IBD Unit, Majadahonda, Madrid, Spain, ²Hospital Universitario Puerta de Hierro, Majadahonda, Pharmacy Department, Majadahonda Madrid, Spain

¹Department of Gastroenterology, McMaster University, Hamilton, Canada, ²Department of Gastroenterology, University of California San Diego, San Diego, USA, ³Department of Gastroenterology, Mount Sinai Medical Center, New York, USA, ⁴Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium, ⁵Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria

¹Department of Medicine, University of Otago, Christchurch, New Zealand, ²Gastroenterology Department, Christchurch Hospital, Christchurch, New Zealand, ³Department of Pathology and Biomedical Sciences, University of Otago, Christchurch, New Zealand, ⁴Department of Paediatrics, University of Otago, Christchurch, New Zealand

¹University Hospital Erlangen- Friedrich-Alexander-University Erlangen-Nürnberg, Department of Medicine 1, Erlangen, Germany, ²University Hospital Erlangen- Friedrich-Alexander-University Erlangen-Nürnberg, Department of Medicine 3, Erlangen, Germany, ³Friedrich-Alexander-University Erlangen-Nürnberg, Pharmacy Department- University Hospital Erlangen, Erlangen, Germany, ⁴Friedrich-Alexander-University Erlangen-Nürnberg, Department of Medical Informatics- Biometry and Epidemiology- Erlangen, Erlangen, Germany, ⁵Progenika Biopharma SA, Research and Development, Derio, Spain

¹Department of Gastroenterology, Eastern Health, Melbourne, Australia, ²Department of Gastroenterology, Austin Health, Melbourne, Australia, ³Department of Medicine, Monash University, Melbourne, Australia, ⁴Department of Gastroenterology, Alfred Health, Melbourne, Australia, ⁵Department of Medicine, University of Melbourne, Melbourne, Australia

¹IBD Unit, Hospital de Galdakao, Biocruces Bizkaia Health Research Network, Gastroenterology, Bilbao, Spain, ²Hospital Universitari i Politècnic La Fe, Gastroenterology, Valencia, Spain, ³Hospital Universitario de La Princesa, Gastroenterology, Instituto de Investigación Sanitaria Princesa IIS-IP, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas CIBERehd, Gastroenterology, Madrid, Spain, ⁴Hospital Clinic, Gastroenterology, Barcelona, Spain, ⁵Hospital Universitario Marqués de Valdecilla, Gastroenterology, Santander, Spain, ⁶Hospital Clínico Universitario de Santiago de Compostela, Gastroenterology, Santiago de Compostela, Spain, ⁷Consorci Sanitari de Terrassa, Gastroenterology, Terrassa, Spain, ⁸Hospital Universitario La Paz, Gastroenterology, Madrid, Spain, ⁹Hospital del Mar, Hospital del Mar Medical Research Institute IMIM, Gastroenterology, Barcelona, Spain, ¹⁰IIS Aragón, Hospital Clínico Universitario Lozano Blesa CIBERehd, Gastroenterology, Zaragoza, Spain, ¹¹Complejo Asistencial Universitario de León, Gastroenterology, León, Spain, ¹²Hospital General de Granollers, Gastroenterology, Granollers, Spain, ¹³Hospital Universitario de Fuenlabrada, Instituto de Investigación de La Paz IdiPaz, Gastroenterology, Fuenlabrada, Spain, ¹⁴Hospital Universitario de Cruces, Hospital Universitario de Cruces, Barakaldo, Spain, ¹⁵Hospital Ntra. Sra. Candelaria, Hospital Ntra. Sra. Candelaria, Santa Cruz de Tenerife, Spain, ¹⁶Althaia- Xarxa Assistencial Universitària de Manresa, Gastroenterology, Manresa, Spain, ¹⁷Hospital Universitario Infanta Leonor, Gastroenterology, Madrid, Spain, ¹⁸Complejo Hospitalario Universitario de Ferrol, Gastroenterology, Ferrol, Spain, ¹⁹Hospital Universitario German Trias I Pujol-, Gastroenterology, Badalona, Spain, ²⁰Hospital Montecelo, Gastroenterology, Pontevedra, Spain, ²¹Hospital Universitari Vall d’Hebron, Gastroenterology, Barcelona, Spain, ²²Hospital San Agustín, Gastroenterology, Avilés, Spain, ²³Hospital Universitario Ramón y Cajal, Gastroenterology, Madrid, Spain, ²⁴Hospital de Galdakao, Research Unit- Red de Investigación en Servicios de Salud en Enfermedades Crónicas REDISSEC, Galdakao, Spain, ²⁵Hospital Universitario de La Princesa Instituto de Investigación Sanitaria Princesa IIS-IP- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas CIBERehd, Gastroenterology, Madrid, Spain

¹Hospital da Senhora da Oliveira, Gastroenterology, Guimarães, Portugal, ²Life and Health Sciences Research Institute, School of Medicine, University of Minho, Braga/Guimarães, Portugal, ³ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal

¹Department of Pediatrics, University of Manitoba, Winnipeg, Canada, ²Department of Pediatrics, University of Alberta, Edmonton, Canada, ³Department of Pediatrics, University of Calgary, Calgary, Canada, ⁴Department of Pediatrics, BC children’s Hospital, Vancouver, Canada, ⁵Department of Paediatric Gastroenterology, University of Manitoba, Winnipeg, Canada

¹Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium, ²Department of Chronic Diseases, Metabolism and Ageing, Catholic University Leuven, Leuven, Belgium

¹Department of Gastroenterology, Northern Care Alliance, Manchester, UK, ²Division of Diabetes, Endocrinology and Gastroenterology, University of Manchester, Manchester, UK

Department of Gastroenterology, Barts Health NHS Trust, Royal London Hospital, London, UK

UGC Digestive Diseases, Hospital Universitario Virgen del Rocío, Seville, Spain

¹Department of Surgery, München Klinik Bogenhausen, Munich, Germany, ²Faculty of Medicine, University Hospital Brno, Masaryk University, Brno, Czech Republic, ³Department of Gastroenterology and Internal Medicine, Faculty of Medicine, University Hospital Brno, Masaryk University, Brno, Czech Republic

¹University of Melbourne, Department of Medicine, Melbourne, Australia, ²St Vincent’s Hospital, Gastroenterology, Melbourne, Australia

¹Hôpital de Hautepierre, Hôpitaux Universitaires de Strasbourg, Service d’hépato gastroentérologie et assistance nutritive, Strasbourg, France, ²Hôpital de Hautepierre, Hôpitaux Universitaires de Strasbourg, Service de Rhumatologie, Strasbourg, France

¹Hospital Universitario La Paz, Gastroenterology, Madrid, Spain, ²Hospital Universitario La Paz, Rheumatology, Madrid, Spain, ³Hospital Universitario La Paz, Clinical Trials, Madrid, Spain

¹Department of Gastroenterology, Freeman Hospital, Newcastle upon Tyne, UK, ²Department of Gastroenterology, Royal Victoria Infirmary, Newcastle upon Tyne, UK

¹Department of Gastroenterology, Hospital da Senhora da Oliveira, Guimarães, Portugal, ²School of Medicine, Life and Health Sciences Research Institute, University of Minho, Braga/Guimarães, Portugal, ³ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal