1. Department of Neurology, Hospital La Paz Institute for Health Research–IdiPAZ (La Paz University Hospital–Universidad Autónoma de Madrid), Madrid, Spain
2. Department of Neurology, Hospital del Mar, Barcelona, Spain
3. Neurology Department, Hôpital Pierre-Paul Riquet, Centre Hospitalier Universitaire de Toulouse, Toulouse, France
4. Toulouse NeuroImaging Center, Université de Toulouse, Inserm, UPS, Toulouse, France
5. Department of Neurology, Doctor Peset University Hospital, University of Valencia, Valencia, Spain