1. LENITEM - Laboratory of Epidemiology Neuroimaging and Telemedicine, IRCCS Centro San Giovanni di Dio FBF, The National Centre for Research and Care of Alzheimer's and Mental Diseases, Brescia, Italy
2. Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veteran's Hospital, Madison, WI, USA
3. Neuroscience Training Program, University of Wisconsin, Madison, WI, USA
4. Wisconsin Alzheimer's Disease Research Center, Department of Medicine, University of Wisconsin, Madison, WI, USA
5. Service of Neuroradiology, Ospedale Maggiore, Borgo Trento, Verona, Italy