Austria
AGO-Austria
Belgium
BGOG
Denmark
DGC-Denmark
Europe
EORTC-GCG
France
GINECO
Germany
AGO-Germany
NOGGO
Ireland
ICORG
Italy
MaNGO
MITO
Nordic Countries
NSGO
Scotland
SCOTROC
Spain
GEICO
The Netherlands
PORTEC
GROINS
United Kingdom
NCRI