1. Pathology Department of Hospital Universitario Araba; Álava Spain
2. Brain Bank Hospital Universitario Araba; Biobanco Vasco para la Investigación (O+eHun); Vitoria Spain
3. Pathology Department; Hospital Universitario Central de Asturias; Asturias Spain
4. Neurology Department; Hospital Divino Vallés; Burgos Spain
5. Pathology Department of Hospital Universitario de Cruces; Bizkaia Spain
6. Neurology Department; Hospital Universitario de Cruces; Bizkaia Spain
7. Institute of Neuropathology; Bellvitge University Hospital; University of Barcelona; Barcelona Spain