1 Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
2 Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy.
3 Gastrounit, medical division, Hvidovre Hospital, University of Copenhagen, Denmark.
4 Copenhagen Center for Inflammatory Bowel Disease in Children, Adolescents and Adults, Hvidovre Hospital, University of Copenhagen, Denmark.
5 Department of Gastroenterology, Lüneburg Hospital, University of Hamburg, Lüneburg, Germany.
6 Department of Surgery, Clinic of Visceral and Thoracic Surgery, Cantonal Hospital Winterthur, Zurich, Switzerland.
7 Department of Biomedical Engineering, Clinical Research and Artificial Intelligence in Surgery, Faculty of Medicine, University of Basel, Allschwil, Switzerland.
8 Department of Gastroenterology, Fakeeh University Hospital, Dubai, UAE.
9 Department of Internal Medicine I, Siloah St. Trudpert Hospital, Pforzheim, Germany, Hannover Medical School, Hannover, Germany.
10 University Hospital Munster, Department of Medicine B - Gastroenterology and Hepatology, Munster, Germany.
11 Gastroenterology Unit, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Universidad Autónoma de Madrid (UAM), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain.
12 King's College London, Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, London, UK.
13 Department of Gastroenterology, Dietetics and Internal Medicine - Poznań University of Medical Sciences, Poznań, Poland; Heliodor ?wi?cicki University Hospital, Poznań, Poland.
14 Department of Medicine, Division of Gastroenterology, Mater Dei Hospital, Msida, Malta.
16 Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy; IBD Center, Humanitas Clinical and Research Center, Milan, Italy.
17 IBD Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna DIMEC, University of Bologna, Bologna, Italy.
18 Department of Gastroenterology, Barts Health NHS Trust, Royal London Hospital, London, United Kingdom.
19 Karolinska Institutet, Department of Medicine Solna, Stockholm, Sweden; Karolinska University Hospital, Gastroenterology unit, Department of Gastroenterology, Dermatovenereology and Rheumatology, Stockholm, Sweden.
20 Department of Colon & Rectal Surgery, Cleveland Clinic, Cleveland, Ohio, USA.
21 Institute of Immunology and Immunotherapy, NIHR Biomedical Research Centre, University of Birmingham, UK.
22 Division of Gastroenterology, University Hospitals Birmingham NHS Trust, UK.
23 Department of Gastroenterology, Venizeleio General Hospital, Heraklion, Greece.
24 Department of Gastroenterology and Hepatology, Division of Internal Medicine, University and Medical School of Ioannina, Ioannina, Greece.
25 Department of Gastroenterology, Tel-HaShomer Sheba Medical Center, Ramat Gan, and Sackler Medical School, Tel Aviv, Israel.
26 Division of Gastroenterology, McGill University Health Centre, Montreal, Canada.
27 1st Department of Medicine, Semmelweis University, Budapest, Hungary.
28 School of Medicine, European University Cyprus, Nicosia, Cyprus.
29 Department of Gastroenterology, University Hospital 'Tsaritsa Yoanna - ISUL', Medical University Sofia, Sofia, Bulgaria.
30 Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Trust, Cambridge, United Kingdom.
31 Department of Advanced Medical and Surgical Sciences, Universitá degli Studi della Campania "Luigi Vanvitelli", Naples; Colorectal Surgery, Vall d'Hebron University Hospital, Barcelona, Spain.
32 IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy.
33 Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy.
34 Department of Advanced Medical and Surgical Sciences, Universitá degli Studi della Campania "Luigi Vanvitelli", Naples, Italy.
35 Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven, Leuven, Belgium.
36 Department of Chronic Diseases, Metabolism and Ageing, TARGID - IBD, KU Leuven, Leuven, Belgium.
37 Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, Pieve Emanuele, Milan, Italy.
38 IRCCS Humanitas Research Hospital -, via Manzoni, Division of colon and Rectal Surgery, Rozzano, Milan, Italy.
39 Department of Colorectal Surgery, Beaujon Hospital, Assistance Publique-Hôpitaux de Paris, Clichy and Université of Paris, France.
40 Department of Gastroenterology and Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland.