1. Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm University, Stockholm, Sweden
2. Institute of Psychiatry, Bologna University, Bologna, Italy
3. Unit for Dementia and Neurological Disorders, IRCCS Fondazione Santa Lucia, Rome, Italy
4. Unit of Geriatric Medicine, Local Health Authority of Ravenna, Italy
5. Stockholm Gerontology Research Center, Stockholm, Sweden