1. Division of Clinical and Metabolic Genetics, The Hospital for Sick Children, and Program in Genetics & Genome Biology, SickKids Research Institute , Toronto, ON , Canada
2. Department of Paediatrics, University of Toronto , Toronto, ON , Canada
3. Departments of Molecular Genetics, University of Toronto , Toronto, ON , Canada
4. Adult Genetic Epilepsy (AGE) Program, Toronto Western Hospital, Krembil Brain Institute , Toronto, ON , Canada
5. Division of Neurology, Department of Medicine, University of Toronto , Toronto, ON , Canada