1. Department of Genetics; Children's Hospital of Eastern Ontario; Ottawa Ontario
2. Department of Neurology and Neurosurgery; McGill University; Montreal Quebec
3. Department of Pediatrics; McGill University; Montreal Quebec
4. Research Center; Centre Hospitalier Universitaire Sainte-Justine; Montreal Quebec
5. Department of Pediatrics; Universite de Montreal; Montreal Quebec
6. Department of Neurosciences; Universite de Montreal; Montreal Quebec
7. Children's Hospital of Eastern Ontario Research Institute; Ottawa Ontario
8. Division of Neurology; Children's Hospital of Eastern Ontario; Ottawa Ontario
9. Faculty of Medicine; University of Ottawa; Ottawa Ontario
10. Department of Medical Imaging; Children's Hospital of Eastern Ontario; Ottawa Ontario
11. Department of Human Genetics; McGill University; Montreal Quebec