1. Department of Diagnostic and Interventional Neuroradiology, E.O. Ospedali Galliera, Genoa, Italy
2. Department of Health Sciences (DISSAL), Radiology Section, University of Genoa, Genoa, Italy
3. Department of Pathology, General Hospital Sant’Andrea, La Spezia, Italy
4. Department of Radiology, General Hospital Sant’Andrea, La Spezia, Italy