1. Neurological Tissue Bank of the Biobanc-Hospital Clínic-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
2. Magnetic Resonance Image core facility of IDIBAPS, Barcelona, Spain
3. Radiology Department, Image Diagnosis Center, Hospital Clínic, Barcelona, Spain
4. Alzheimer’s Disease and Other Cognitive Disorders Unit, Hospital Clínic, IDIBAPS, Barcelona, Spain
5. General Subdirectorate of Surveillance and Response to Emergencies in Public Health, Department of Public Health in Catalonia, Barcelona, Spain