1. Institut de Cancérologie de l'Ouest Angers France
2. European Pain Federation EFIC Brussels Belgium
3. Pain Institute Tel Aviv Medical Center Tel Aviv Israel
4. Amsterdam UMC Amsterdam Netherlands
5. Grupo Español de Pacientes con Cáncer Madrid Spain
6. Macmillan Cancer Support London UK
7. Grünenthal GmbH Aachen Germany
8. Pain Alliance Europe Brussels Belgium
9. University Medical Centre Maribor Slovenia