1. Institute of Immunology & Immunotherapy NIHR Wellcome Trust Clinical Research Facilities University of Birmingham UK and University Hospitals Birmingham NHS Trust Birmingham UK
2. Institute for Biological Physics University of Cologne Cologne Germany
3. Department of Gastroenterology Queen Alexandra Hospital Portsmouth UK
4. Department of Gastroenterology University of Torino Torino Italy
5. Division of Gastroenterology and Hepatology University of Calgary Calgary Alberta Canada
6. Department of Gastroenterology Klinikum Böblingen Sindelfingen Germany
7. Department of Pathology University of Washington Seattle Washington USA
8. Department of Gastroenterology Kings College London London UK
9. Department of Pathology University Hospitals Leuven Leuven Belgium
10. Department of Gastroenterology Johns Hopkins Hospital Baltimore Maryland USA
11. Department of Gastroenterology Peking Union Medical College Hospital Dongcheng‐qu China
12. Department of Gastroenterology University of Nottingham Nottingham UK
13. Department of Gastroenterology IRCCS Policlinico San Donato San Donato Milanese Italy
14. Ludig Demling Endoscopy Center University of Erlangen Erlangen Germany
15. Department of Pathophysiology and Transplantation Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico University of Milan Milano Italy
16. Institute for Pathology Klinikum Bayreuth Bayreuth Germany
17. Institute of Pathology Spedali Civili Brescia Italy
18. University Hospitals Birmingham NHS Foundation Trust Birmingham UK
19. Department of Gastroenterology Helios HSK Wiesbaden Wiesbaden Germany
20. College of Medicine and Health and APC Microbiome Ireland University College Cork Cork Ireland
21. National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre Birmingham UK