1. Konventhospital Barmherzige Brüder Linz
2. Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel)
3. Athens Naval Hospital
4. Hospital da Luz Lisboa
5. McMaster University
6. Erasmus MC Medical Center
7. University of L´Aquila
8. Headache Medical Center Linz
9. Clinica Universidad de Navarra
10. Charité Universitätsmedizin Berlin