1. Alzheimer's Disease and Other Cognitive Disorders Unit, Neurology Service, Hospital Clínic, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
2. Cognitive Disorders Unit, Consorci Sanitari Parc Taulí, Sabadell, Spain
3. Department of Immunology, Hospital Clínic, Institut de Recerca Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain