1. I.R.C.C.S San Giovanni di DioAlzheimer's Disease Unit Sacred Heart Hospital‐FBFBrescia
2. Department of Experimental Medicine and Biochemical SciencesUniversity of Roma Tor VergataUniversity of Pavia Italy
3. Internal Medicine DepartmentGeriatric ClinicUniversity of Pavia Italy
4. Laboratory of Adaptive SystemsNational Institute of Neurological Disorders and StrokeNational Institutes of Health Bethesda Maryland 20892 USA
5. Institute for Cognitive and Computational SciencesGeorgetown University Medical Center Washington DC 20007 USA
6. Cornell University Medical CollegeBurke Medical Research Institute New York 10605 USA
7. Institute of Pharmacological SciencesUniversity of MilanoItaly
8. University of PaviaItaly