1. Department of Biomedicine, Unit of Pharmacology and Therapeutics, Faculty of Medicine, University of Porto, Porto, Portugal; Department of Gastroenterology, Centro Hospitalar de São João, Porto, Portugal; Department of Clinical Pharmacology Centro Hospitalar de São João, Porto, Portugal
2. CHU UCL Namur, Université catholique de Louvain, service de Hépato-gastroentérologie, Yvoir, Belgium
3. Infectious Diseases Service, Centro Hospitalar Universitário São João, Porto, Portugal; Instituto de Inovação e Investigação em Saúde (I3s), Faculty of Medicine, Department of Medicine, University of Porto, Portugal
4. Department of Infectious Diseases, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
5. IBD Unit, St Mark’s Hospital, London, UK
6. Department of Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, The Netherlnads
7. Department of Gastroenterology, Royal London Hospital, Barts Health NHS Trust, London, UKCentre for Immunobiology, The Blizard Institute, Barts and the London School of Medicine, Queen Mary University of London, London, UK
8. Department of Surgery, Cantonal Hospital Winterthur, Winterthur, Switzerland
9. Department of Infectious Diseases, Tourcoing Hospital, Tourcoing, France
10. Center for Gastroenterology and Hepatology, Zürich, Switzerland
11. Lüneburg Hospital, University of Hamburg, Department of Gastroenterology, Lüneburg, Germany
12. EFCCA, European Federation of Crohn’s and Ulcerative Colitis Associations, Brussels, Belgium
13. Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Berlin, Germany
14. IBD Center, Department of Gastroenterology, Humanitas Clinical and Research Center- IRCCS-, Rozzano, Milan, Italy
15. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
16. Department of Gastroenterology, Nancy University Hospital, Vandoeuvre-Les-Nancy, France
17. Inserm NGERE U1256, Lorraine University, Vandoeuvre-Les-Nancy, France