1. Dublin Neurological Institute Mater University Hospital Dublin Ireland
2. Department of Clinical Neurosciences University of Calgary Calgary Alberta Canada
3. Instituto Nacional de Ciencias Neurologicas Lima Peru
4. Department of Neurology, Faculty of Medicine Ain Shams University Cairo Egypt
5. Department of Neurology Mayo Hospital Lahore Pakistan
6. Movement Disorders Unit, Department of Neurology, Westmead Hospital & Sydney Medical School University of Sydney Sydney New South Wales Australia
7. UCL Institute of Child Health London United Kingdom
8. Department of Neurology, Salpêtrière Hospital Sorbonne University and Assistance Publique ‐ Hôpitaux de Paris Paris France