1. Memory Unit, Department of Neurology, Institut d'Investigacions Biomèdiques Sant Pau - Hospital de Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
2. Centro de Investigación Biomédica en Red en Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
3. The University of Edinburgh, UK Dementia Research Institute, Centre for Discovery Brain Sciences, Edinburgh Neuroscience, Euan MacDonald Centre, and Centre for Dementia Prevention, Edinburgh, EH8 9JZ, UK
4. University of Edinburgh, Centre for Clinical Brain Sciences, Edinburgh, UK
5. Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA
6. ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona, Spain
7. Neurological Tissue Bank of the Biobanc-Hospital Clinic-IDIBAPS, Barcelona Spain