1. Department of Neurology, Medical University of South Carolina, Charleston, South Carolina
2. Department of Neurology, Indiana University School of Medicine, Indianapolis, Indiana
3. Department of Neurology, Comprehensive Epilepsy Center, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts
4. Departments of Neurology and Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, District of Columbia
5. Department of Neurology, Duke University Medical Center, Durham, North Carolina