1. Section of Psychiatry, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
2. Psychiatric Unit, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy
3. Local Health Unit Umbria 1, Department of Mental Health, Mental Health Center of Perugia, Perugia, Italy
4. Section of Neurology, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
5. Unit of Clinical Psychiatry, Department of Clinical Neurosciences/DIMSC, School of Medicine, Polytechnic University of Marche, Ancona, Italy