1. Division of Neurology, Department of Pediatrics The Children's Hospital of Philadelphia Philadelphia Pennsylvania USA
2. The Epilepsy Neurogenetics Initiative The Children's Hospital of Philadelphia Philadelphia Pennsylvania USA
3. Division of Clinical and Metabolic Genetics The Hospital for Sick Children Toronto Ontario Canada
4. Genetics and Genome Biology SickKids Research Institute Toronto Ontario Canada
5. Department of Neurology The University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania USA
6. Department of Neuroscience The University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania USA