1. Section of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, 09127, Italy
2. Unit of Clinical Psychiatry, University Hospital Agency of Cagliari, Cagliari, 09127,Italy
3. Department of Pharmacology, Dalhousie University, Halifax, NS, B3H 4R2, Canada
4. Institute of Psychiatry, Department of Neuroscience and Rehabilitation, University of Ferrara, Ferrara, 44121, Italy