1. Diagnostic Imaging and Neuroradiology, Department of Biomedicine and PreventionUniversity of Rome Tor Vergata Rome Italy
2. San Raffaele Cassino FR Italy
3. Medical Physics Section, Department of Biomedicine and Prevention, Faculty of MedicineUniversity of Rome “Tor Vergata” Rome Italy
4. Clinical Infectious DiseasesTor Vergata University Rome Italy
5. Athinoula A. Martinos Center for Biomedical ImagingMassachusetts General Hospital and Harvard Medical School Boston MA