1. Section of Psychiatry; Department of Neuroscience, Reproductive Sciences and Odontostomatology; Federico II University; Naples Italy
2. Neuroscience Department; University of Padua; Padua Italy
3. Azienda Ospedaliera di Padova; Padua Hospital, Psychiatry Unit; Padua Italy
4. Department of Medicine, Surgery and Dentistry ‘Scuola Medica Salernitana’, Section of Neuroscience; University of Salerno; Salerno Italy
5. National Research Council; Aging Branch; Padua Italy
6. National Health Service; Department of Mental Health; Psychiatric Service of Diagnosis and Treatment; Teramo Italy