1. Department of Epileptology University of Bonn Medical Center Bonn Germany
2. Epilepsy Unit, Neurology Department Vall d'Hebron University Hospital Barcelona Spain
3. Department of Neurology University Hospitals Leuven Leuven Belgium
4. Comprehensive Epilepsy Center Hawaii Pacific Neuroscience Honolulu Hawaii USA
5. Medical University of Sofia Sofia Bulgaria
6. UCB Pharma Monheim am Rhein Germany
7. UCB Pharma Morrisville North Carolina USA
8. UCB Pharma Slough UK