1. Department of Neuroscience, Section of Psychiatry, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
2. Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, 1977 Butler Blvd., Houston, TX 77030, USA
3. Department of Neuroscience, Section of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
4. Department of Psychiatry, University of Campania Luigi Vanvitelli, 80138 Naples, Italy
5. Department of Geriatrics, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
6. NESMOS (Neurosciences, Mental Health, and Sensory Organs) Department, Faculty of Medicine and Psychology, Sant’Andrea Hospital, Sapienza Università di Roma, Via di Grottarossa 1035-1039, 00189 Rome, Italy
7. Department of Geriatrics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy