1. Department of Epileptology; University of Bonn; Bonn Germany
2. Institute for Drug Research; Faculty of Medicine; School of Pharmacy; Hebrew University of Jerusalem; Jerusalem Israel
3. Faculty of Pharmacy; University of Coimbra; Coimbra Portugal
4. BIAL - Portela & Cª, S.A.; S. Mamede do Coronado Portugal
5. Faculty of Medicine; University of Porto; Porto Portugal
6. Health Sciences Department; University of Aveiro; Aveiro Portugal