1. Neurology Service and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), ‘Marqués de Valdecilla’ University Hospital, University of Cantabria, Institute for Research ‘Marqués de Valdecilla’ (IDIVAL), Santander, Spain
2. Neurology Service, Laredo Hospital, Laredo, Spain
3. Anesthesiology Service, ‘Marqués de Valdecilla’ University Hospital, Santander, Spain
4. Traumatology Service, ‘Marqués de Valdecilla’ University Hospital, Santander, Spain
5. University of Bonn Medical Center, Department of Neurodegenerative Diseases & Geropsychiatry/Neurology, Bonn, Germany
6. German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
7. Radiology Service, ‘Marqués de Valdecilla’ University Hospital, Santander, Spain
8. Immunology Service, ‘Marqués de Valdecilla’ University Hospital, University of Cantabria, Institute for Research ‘Marqués de Valdecilla’ (IDIVAL), Santander, Spain