1. Department of Human Genetics, McGill University, Montreal, Canada
2. Inherited Metabolic Disease Reference Center, Necker-Enfants Malades Hospital and Université Paris Descartes, Paris, France,
3. Inherited Metabolic Disease Reference Center, Necker-Enfants Malades Hospital and Université Paris Descartes, Paris, France
4. Pediatric Neurology Unit, Necker-Enfants Malades Hospital and Université Paris Descartes, Paris, France
5. Department of Radiology, Necker-Enfants Malades Hospital and Université Paris Descartes, Paris, France
6. Electrophysiology Laboratory, Necker-Enfants Malades Hospital and Université Paris Descartes, Paris, France
7. Biochemistry B Department Necker-Enfants Malades Hospital and Université Paris Descartes, Paris, France
8. Biochemistry Department, Robert Debré Hospital, Paris, France