- AACR (American Association for Cancer Research)
- ACG (American College of Gastroenterology)
- APDW (Asian Pacific Digestive Disease Week)
- APFCP (Asia-Pacific Federation of Coloproctology)
- ASCO (American Society of Clinical Oncology)
- ASCRS (American Society of Colon and Rectal Surgeons)
- DDW (Digestive Disease Week)
- ECCO (European Crohn’ s and Colitis Organisation)
- ESCP (European Society of Coloproctology)
- ISUCRS (International Society of University Colon and Rectal Surgeons)
- UEGW (United European Gastroenterology Week)
- WCOG (World Congress of Gastroenterology)