1 Faculté de Médecine et de Pharmacie de Marrakech. CHU Mohammed VI, Department of Neurology, Marrakesh, University Cadi Ayyad, Marrakech, Morocco.
2 Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany.
3 Department of Neurology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
4 Berlin Institute of Health at Charité - Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, BIH Charité Clinician Scientist Program, Berlin, Germany.
5 Division of Neurology, Hospital for Sick Kids, Toronto, Ontario, Canada.
6 Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada.
7 Division of Neurology University of Toronto, Movement Disorder Clinic, Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital, Toronto, Ontario, Canada.