1. Anticonvulsant Drug Development Program; Department of Pharmacology & Toxicology; University of Utah; Salt Lake City; Utah; U.S.A
2. Department of Neuroscience; Howard Hughes Medical Institute; University of California; San Diego; La Jolla; California; U.S.A
3. Department of Molecular and Clinical Pharmacology; University of Liverpool; Liverpool; UK
4. Institution for Clinical Neuroscience; Sahlgrenska Academy; University of Goteborg; Goteborg; Sweden
5. Epilepsy Therapy Project and Department of Neurology; University of Pennsylvania School of Medicine; Philadelphia; Pennsylvania; U.S.A
6. Department of Neurology; University of Pennsylvania School of Medicine; Philadelphia; Pennsylvania; U.S.A
7. Departments of Neurology, Neuroscience and Molecular and Human Genetics; Baylor College of Medicine; Houston; Texas; U.S.A
8. Department of Neurology; University of Cincinnati; Cincinnati; Ohio; U.S.A
9. Department of Neurology; University of California; Davis School of Medicine; Sacramento; California; U.S.A