1. Comprehensive Epilepsy Center, Division of Neurology, Cincinnati Children's Hospital Medical Center; Cincinnati OH
2. University of Cincinnati College of Medicine; Cincinnati OH
3. Division of Human Genetics, Cincinnati Children's Hospital Medical Center; Cincinnati OH
4. Division of Biostatistics and Study Methodology, Children's National Health System; Washington DC
5. Division of Neurology, Children's Hospital of Philadelphia; Perelman School of Medicine at the University of Pennsylvania; Philadelphia PA
6. National Institute of Neurological Disorders and Stroke; Bethesda MD
7. Division of Neurology, Montefiore Medical Center, Albert Einstein College of Medicine; New York NY