1. Institute of Radiology, Department of Medicine (DIMED), University of Padova, 35121 Padua, Italy
2. Department of Neuroradiology, University Hospital of Padova, 35121 Padua, Italy
3. Anesthesia and Intensive Care Unit, University Hospital of Padova, 35121 Padua, Italy
4. Anesthesia and Intensive Care Unit, Department of Medicine (DIMED), University of Padova, 35121 Padua, Italy
5. Institute of Radiology, University Hospital of Padova, 35121 Padua, Italy