1. Center for Digestive Diseases Internal Medicine Center Eppendorf Hamburg Germany
2. Center for Esophageal Disorders University Hospital Eppendorf Hamburg Germany
3. Neuro‐Immuno‐Gastroenterology Group Digestive Physiology and Pathophysiology Unit Vall d'Hebron Research Institute (VHIR) Barcelona Spain
4. Digestive System Department Vall d'Hebron University Hospital Barcelona Spain
5. Faculty of Medicine Autonomous University of Barcelona Bellaterra Spain
6. Centro de Investigación Biomedica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd) Barcelona Spain
7. Department of Gastroenterology Hospital Universitari Mutua de Terrassa University of Barcelona Barcelona Spain
8. Department of Pathophysiology and Organ Transplantation University of Milan and Gastroenterology and Endoscopy Unit Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
9. Department of Pathology Copenhagen University Hospital Rigshospitalet Denmark
10. Department of Gastroenterology Zealand University Hospital Koege Denmark
11. Department of Clinical Medicine University of Copenhagen Copenhagen Denmark
12. Department of Medicine Örebro University Hospital Örebro University Örebro Sweden
13. Diagnostik Center Hospitalenhed Midt Regionshospitalet Silkeborg Silkeborg Denmark
14. Department of Gastroenterology and Hepatology Vrije Universiteit Amsterdam Amsterdam the Netherlands
15. School of Biological Sciences Monash University Clayton Australia
16. Department of Pathology Zealand University Hospital Roskilde Denmark
17. Hepatogastroenterology Unit Centre Hospitalier de Marne‐la‐Vallee Jossigny France
18. Department of Gastroenterology and Hepatology in Linköping Linköping University Linköping Sweden
19. Department of Health Medicine, and Caring Sciences Linköping University Linköping Sweden
20. School of Medical Sciences Örebro University Örebro Sweden
21. The Royal Infirmary of Edinburgh Endoscopy Unit Edinburgh UK
22. Department of Gastroenterology and Institute for Digestive Research Lithuanian University of Health Sciences Kaunas Lithuania
23. Department of Pathology Hospital Universitari Vall d'Hebron CIBERONC Barcelona Spain
24. Department of Life, Health and Environmental Sciences University of L'Aquila L'Aquila Italy
25. Department of Gastroenterology Hospital General de Tomelloso Tomelloso Spain
26. Department of Gastroenterology Medical University of Sofia University Hospital Tsaritsa Yoanna—ISUL Sofia Bulgaria
27. Department of Gastroenterology CRH Clinic Siloah Hannover Germany
28. Department of Pharmacology Hospital de Sao Joao Porto Portugal
29. Department of Gastroenterology Pomeranian Medical University Szczecin Poland
30. Department of Internal Medicine Semmelweis University Budapest Hungary
31. Department of Clinical and Molecular Medicine NTNU: Norwegian University of Science and Technology Trondheim Norway
32. Department of Gastroenterology and Hepatology St Olav's University Hospital Trondheim Norway
33. 2nd Department of Medicine Semmelweis University Budapest Hungary
34. Department of Medicine Mayo Clinic Rochester Minnesota USA
35. Department of Human Nutrition and Metabolomics Pomeranian Medical University Szczecin Poland
36. Department of Internal Medicine Maastricht University Medical Center Maastricht The Netherlands