Affiliation: | 1. Neurology-Neuroimmunology Department, Multiple Sclerosis Centre of Catalonia (Cemcat), Vall d''Hebron Research Institute (VHIR), Vall d''Hebron University Hospital, Barcelona, Spain;2. Autonomous University of Barcelona, Barcelona, Spain;3. Pathology Department, Vall d''Hebron University Hospital, Autonomous University of Barcelona, Spanish Biomedical Research Network Centre in Oncology (CIBERONC), Barcelona, Spain;4. Division of Neurology, BARLO Multiple Sclerosis Centre, St. Michael''s Hospital, University of Toronto, Toronto, Ontario, Canada |