1. Department of Neurology, University Hospital of Salamanca, 37007 Salamanca, Spain
2. Research Unit, University Hospital of Salamanca and Institute of Health Sciences of Castilla and Leon, 37007 Salamanca, Spain
3. Department of Medicine and Center for Cancer Research, University of Salamanca and Consejo Superior de Investigaciones Científicas, 37007 Salamanca, Spain
4. Clinical Neuroscience Research Laboratory and Department of Neurology, University Hospital and University of Santiago de Compostela, 15706 Santiago de Compostela, Spain
5. Stroke Unit, Department of Neurosciences, University Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, 08916 Barcelona, Spain
6. Department of Biochemistry and Molecular Biology, University of Salamanca, 37007 Salamanca, Spain