1. Division of Neurology, Department of Pediatrics, The Children's Hospital of Philadelphia , Philadelphia, PA , 19104, USA
2. Department of Neuroscience, University of Pennsylvania Perelman School of Medicine , Philadelphia, PA, 19104 , USA
3. The Epilepsy NeuroGenetics Initiative, The Children's Hospital of Philadelphia , Philadelphia, PA, 19104 , USA
4. Department of Child and Adolescent Psychiatry, The Children's Hospital of Philadelphia , Philadelphia, PA, 19104 , USA
5. Department of Psychiatry, University of Pennsylvania Perelman School of Medicine , Philadelphia, PA, 19104 , USA
6. Department of Neurology, University of Pennsylvania Perelman School of Medicine , Philadelphia, PA, 19104 , USA