1. INSERM U 663, Hôpital Necker; Paris; France
2. Departments of Pediatrics, Neurology and Pharmaceutical Sciences; University of Colorado Schools of Medicine and Pharmacy, Children's Hospital Colorado; Aurora; Colorado; U.S.A
3. Department of Neurosurgery; University of Utah School of Medicine; Salt Lake City; Utah; U.S.A
4. Department of Neurology; NYU Langone Medical Center; New York; New York; U.S.A
5. Laboratory of Developmental Epilepsy; Saul R. Korey Department of Neurology, Dominick P. Purpura Department of Neuroscience; Albert Einstein College of Medicine; Bronx; New York; U.S.A
6. Department of Neurology; University of Pennsylvania; Philadelphia; Pennsylvania; U.S.A
7. UCB Pharma S.A.; Braine-l'Alleud; Belgium
8. Departments of Neurology and Neuroscience; University of Virginia; Charlottesville; Virginia; U.S.A
9. Department of Pharmacology, Toxicology and Pharmacy; University of Veterinary Medicine; Hannover; Germany
10. Clinical Neurophysiology Department; UCLA; Los Angeles; California; U.S.A
11. Epilepsy Research Group; Berlin; Germany