1. Department of Gastroenterology, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Birmingham, UK B15 2GW
2. Department of Colorectal Surgery, University Hospitals Birmingham, Birmingham, UK
3. Department of Gastroenterology, The Royal Wolverhampton NHS Trust, Wolverhampton, UK
4. Department of Minimally Invasive Surgery, University of Rome ‘Tor Vergata’, Rome, Italy
5. Department of Biomedical Sciences, Humanitas University, Milan, Italy
6. Division of Colon and Rectal Surgery, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
7. Colorectal Surgery, Vall D’Hebron University Hospital, Universitat Autonoma de Barcelona, Barcelona, Spain
8. Department of Advanced Medical and Surgical Sciences, Universita degli Studi della Campania ‘Luigi Vanvitelli’, Naples, Italy
9. Department of Surgery, Linköping University Hospital, Linköping, Sweden
10. Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
11. Department of Surgery, La Fe University and Polytechnic Hospital, University of Valencia, Valencia, Spain
12. Department of Gastroenterology and Hepatology, Reina Sofia University Hospital, Cordoba, Spain
13. Edinburgh IBD Unit, Western General Hospital, Edinburgh, UK
14. General and Colorectal Surgery Department, CEMIC University Hospital, Buenos Aires, Argentina
15. Department of Gastroenterology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway
16. Department of Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
17. Centre of Molecular Inflammation Research, Norwegian University of Science and Technology, Trondheim, Norway
18. Open Source Research Organisation, Aalborg, Denmark
19. Department of Gastroenterology, Algarve University Hospital Centre, Portimão, Portugal
20. Algarve Biomedical Centre, University of Algarve, Faro, Portugal
21. Department of Colorectal Surgery, Algarve University Hospital Centre, Portimão, Portugal
22. Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven, Belgium
23. Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
24. CED Schwerpunktpraxis, Münster, Germany
25. Medical Faculty, University of Münster, Münster, Germany
26. Department of Digestive and Oncology Surgery, Timone University Hospital, Marseille, France
27. School of Medicine and Clinical Practice, Faculty of Sciences and Engineering, University of Wolverhampton, Wolverhampton UK