- Full member
- Associated member
- AustriaAssociated member
- BelgiumFull member
- Czech republicFull member
- DenmarkAssociated member
- FranceFull member
- GermanyFull member
- GreeceFull member
- IrelandAssociated member
- IsraelFull member
- ItalyFull member
- LatviaFull member
- LithuaniaFull member
- MaltaFull member
- NorwayAssociated member
- PolandAssociated member
- RomaniaFull member
- SerbiaFull member
- SwitzerlandFull member
- The NetherlandsFull member
- United KingdomFull member