1. Laboratory of Developmental Epilepsy; Saul R. Korey Department of Neurology; Dominick P. Purpura Department of Neuroscience; Montefiore/Einstein Epilepsy Management Center; Albert Einstein College of Medicine; Bronx; New York; U.S.A
2. NYU Comprehensive Epilepsy Center; New York; New York; U.S.A
3. Departments of Medicine and Neurology; The Royal Melbourne Hospital; The University of Melbourne; Parkville; Victoria; Australia