1. Institute of Functional Biology and Genomics, CSIC, University of Salamanca, Calle Zacarías González 2, 37007 Salamanca, Spain.
2. Institute of Biomedical Research of Salamanca, University Hospital of Salamanca, University of Salamanca, CSIC, Calle Zacarías González 2, 37007 Salamanca, Spain.
3. Clinical Neurosciences Research Laboratory, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain.
4. CIBERFES, Instituto de Salud Carlos III, Madrid, Spain.