1. Department of Pediatrics, Division of Pediatric Neurology, University of Tennessee Health Science Center
2. Department of Pediatrics, Division of Pediatric Neurology, University of Tennessee Health Science Center, , Le Bonheur Comprehensive Epilepsy Program, LeBonheur Children's Medical Center
3. Department of Pediatrics, Division of Pediatric Neurology, University of Tennessee Health Science Center, Le Bonheur Comprehensive Epilepsy Program, LeBonheur Children's Medical Center
4. Departments of Radiology and Pathology, St Jude Children's Research Hospital Memphis, Tennessee