Overseas
- American Association for the Study of Liver Diseases
- American College of Gastroenterology
- American Gastroenterological Association
- American Society for Gastrointestinal Endoscopy
- Asian Pacific Association of Gastroenterology
- Asian Pacific Association for the Study of the Liver
- British Society of Gastroenterology
- European Association for the Study of the Liver
- European Society of Gastrointestinal Endoscopy
- International Society for Digestive Surgery
- The Society for Surgery of the Alimentary Tract
- United European Gastroenterology
- World Endoscopy Organization
- World Gastroenterology Organisation
- World Journal of Gastroenterology