1. Center for Esophageal Diseases, Division of Gastroenterology & Hepatology University of California San Diego La Jolla CA USA
2. Division of Gastroenterology & Hepatology Northwestern University Feinberg School of Medicine Chicago IL USA
3. Division of Gastroenterology and Hepatology, University Hospital Zurich Switzerland
4. Department of Integrative Gastroenterology, Klinik Arlesheim Arlesheim Switzerland
5. Department of Gastroenterology and Hepatology Amsterdam University Medical Center Amsterdam the Netherlands
6. Division of Gastroenterology & Hepatology Washington University School of Medicine St. Louis MO USA
7. Digestive Physiology Hospices Civils de Lyon Université Lyon I Univ Lyon Lyon France
8. Hospices Civils de Lyon INSERM LabTAU Université Lyon I Univ Lyon Lyon France
9. National Jewish Health Denver Co USA
10. Veteran Affairs San Diego Healthcare System La Jolla CA USA
11. Department of Gastroenterology Neurosciences Experimental ORL Neurogastroenterology & Motility Deglutology ‐ University Hospitals Leuven University of Leuven Leuven Belgium
12. Department of Surgery, Oncology and Gastroenterology University of Padua Padua Italy
13. Wingate institute of Neurogastroenterology Queen Mary University of London London UK
14. Vanderbilt University Medical Center Nashville TN USA
15. CHU de Bordeaux Centre Medico‐chirurgical Magellan Hôpital Haut‐Lévêque Gastroenterology Department INSERM CIC 1401 Université de Bordeaux Bordeaux France
16. National Center for Global Health and Medicine Tokyo Japan
17. Sir HN Reliance Foundation Hospital Mumbai India
18. Div. Gastroenterology Ege University School of Medicine Izmir Turkey
19. University of Michigan Ann Arbor MI USA
20. Clínica Alemana de Santiago Facultad de Medicina Clínica Alemana Universidad del Desarrollo. Santiago Chile
21. Flinders University Adelaide SA Australia
22. Gastroenterology Department Instituto Nacional de Ciencias Médicas y Nutrición Ciudad de México, CDMX Mexico
23. Department of Translational Research and New Technologies in Medicine and Surgery University of Pisa Pisa Italy
24. University Hospital University of Chile Santiago Chile
25. MetroHealth System and case Western Reserve University Cleveland OH USA
26. Department of Gastroenterology Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
27. Excellence Center on Neurogastroenterology and Motility Division of Gastroenterology Department of Medicine Faculty of Medicine Chulalongkorn University Bangkok Thailand
28. Pontificia Universidad Javeriana‐Hospital San Ignacio Bogota Colombia
29. Royal Melbourne HospitalUniversity of Melbourne Parkville Vic Australia
30. Department of Gastroenterology Asan Medical Center University of Ulsan College of Medicine Seoul South Korea
31. Weill Cornell Medicine New York NY USA
32. Mayo Clinic Rochester MN USA
33. Langone Health New York University New York NY USA
34. Monash University Melbourne Vic Australia
35. University of Alberta Edmonton AB Canada
36. University of Bern Bern Switzerland
37. Norton Thoracic Institute Phoenix AZ USA
38. College of Medicine & Public Health Flinders University Adelaide SA Australia
39. Department of Internal Medicine Kosin University College of Medicine Busan Korea
40. Gastroenterology Unit Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico and Department of Pathophysiology and Transplantation University of Milan Milan Italy
41. Division of Gastroenterology and Hepatology University Hospital Zurich Zurich Switzerland
42. University of South Florida Morsani College of Medicine Tampa Florida USA
43. CIBERehd University Hospital Germans Trias i Pujol Badalona Spain
44. University College London Hospital London UK
45. TARGID University of Leuven Leuven Belgium
46. Department of Surgery/VA Puget Sound HCS University of Washington Seattle WA USA
47. Bürgerspital Solothurn University of Bern Bern Switzerland
48. Bürgerspital Solothurn University of Zurich Zurich Switzerland
49. Mayo Clinic Arizona Scottsdale Arizona USA
50. Yong Loo Lin of MedicineNational University of Singapore Singapore Singapore
51. The Chinese University of Hong Kong Hong Kong SAR
52. Department of Gastroenterology the First Affiliated Hospital Sun Yat‐sen University Guangzhou China