1. Psychiatry Unit, Department of Health Sciences; University of Florence; Florence Italy
2. NEUROFARBA Department, Neuroscience Section; University of Florence; Florence Italy
3. Radiology Unit 4, Department of Diagnostic Imaging; Careggi University Hospital; Florence Italy
4. Neuroradiology Unit, Department of Experimental and Clinical Biomedical Sciences; University of Florence; Florence Italy
5. Neuroradiology Unit, Department of Diagnostic Imaging; Careggi University Hospital; Florence Italy
6. 'L. Sacco' Department of Biomedical and Clinical Sciences; University of Milan; Milan Italy