1. Geriatric Unit & Laboratory of Gerontology and Geriatrics, Department of Medical Sciences, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, Italy
2. Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
3. Department of Clinical Research in Neurology, University of Bari Aldo Moro, “Pia Fondazione Cardinale G. Panico”, Tricase, Italy
4. Geriatric Medicine-Memory Unit and Rare Disease Centre, University of Bari ‘Aldo Moro’, Bari, Italy
5. Psychiatric Unit, Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
6. Institute of Neurology, Catholic University of Sacred Heart, Rome, Italy