1. Department of Neurology; David Geffen School of Medicine at UCLA; Los Angeles; California; U.S.A
2. Department of Neurobiology; A. I. Virtanen Institute for Molecular Sciences; University of Eastern Finland; Kuopio; Finland
3. Department of Neurology and Rehabilitation; University of Illinois at Chicago; Chicago; Illinois; U.S.A
4. Department of Neurology; University of Utah School of Medicine; Salt Lake City; Utah; U.S.A
5. Department of Neurology; University of Virginia; Charlottesville; Virginia; U.S.A
6. Epilepsy Service; Massachusetts General Hospital; Boston; Massachusetts; U.S.A
7. Saul R. Korey Department of Neurology; Dominick P. Purpura Department of Neuroscience; Department of Pediatrics; Laboratory of Developmental Epilepsy; Montefiore/Einstein Epilepsy Management Center; Albert Einstein College of Medicine and Montefiore Medical Center; Bronx; NewYork; U.S.A
8. Department of Clinical Neurosciences; University of Calgary; Alberta; Canada
9. Department of Neurology; Perelman School of Medicine; University of Pennsylvania; Philadelphia; Pennsylvania; U.S.A
10. INSERM U 663; Necker Hospital; Paris; France
11. Department of Neurosicience; Mario Negri Institute; Milan; Italy