1. Department of Radiology, Interventional Radiology Unit, NHS Greater Glasgow and Clyde, Glasgow, United Kingdom
2. Department of Radiological Sciences, “Sapienza” University of Rome, Rome, Italy
3. Vascular Surgery Services, Villa Stuart Medical Hospital, Rome, Italy
4. Department of Interventional Radiology, Azienda Ospedaliera Universitaria “Careggi”, Florence, Italy