1. Neurogenetics Unit, Montreal Neurological Hospital; McGill University; Montreal Canada
2. Centre for Medical Genetics; UZ Brussel; Brussels Belgium
3. Department of Pediatric Neurology; Ghent University Hospital; Ghent Belgium
4. Department of Neurology, Hôpital Universitaire des Enfants Reine Fabiola; Université Libre de Bruxelles; Brussels Belgium
5. Department of Radiology; Sainte-Justine Hospital; Montreal Canada
6. Department of Radiology; UZ Brussel; Brussels Belgium
7. Department of Human Genetics; University of Chicago; Chicago IL USA
8. Department of Public Health; Vrije Universiteit Brussel; Brussels Belgium