1. Clinical Neuroscience Research Laboratory, Hospital Clínico Universitario, Santiago de Compostela, Spain
2. Department of Neurology, Hospital Clínico Universitario, University of Santiago de Compostela, Santiago de Compostela, Spain
3. Department of Neurology, Hospital Doctor Josep Trueta, Girona, Spain
4. Department of Neurosciences, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Barcelona, Spain
5. Department of Neuroradiology, Hospital Clínico Universitario, University of Santiago de Compostela, Santiago de Compostela, Spain