Department of Experimental Medicine, Lleida Biomedical Research Institute (IRBLleida), Lleida University (UdL), E-25198 Lleida, Spain. Catalan Institute of Health (ICS), Research Support Unit (USR), Fundació Institut Universitari per a la Recerca en Atenció Primària de Salut Jordi Gol i Gurina (IDIAP JGol), E-25007 Lleida, Spain. Department of Pathology and Experimental Therapeutics, University of Barcelona (UB), E-08907 Barcelona, Spain. Neuropathology Group, Institute of Biomedical Research of Bellvitge (IDIBELL), E-08907 Barcelona, Spain. Network Research Center of Neurodegenerative Diseases (CIBERNED), Instituto Carlos III, E-08907 Barcelona, Spain.