Dansk Selskab for Gastroenterologi og Hepatologi (DSGH)
American Society of Colon and Rectal Surgeons (ASCRS)
The Association of Coloproctology of Great Britain and Ireland (ACPGBI)
American Gastroenterological Association (AGA)
United European Gastroenterology (UEG)
European Society of Coloproctology (ESCP)
Danish Colorectal Cancer Group (DCCG)
