1. Department of Radiology, Azienda Ospedaliero Universitaria (A.O.U.), Di Cagliari – Polo Di Monserrato, S.s. 554 Monserrato (Cagliari), Italy
2. Department of Neurology, Azienda Ospedaliero Universitaria (A.O.U.), Di Cagliari – Cagliari, Italy
3. Department of Radiology, SDN, Naples, Italy
4. Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing, China
5. Stroke Diagnosis and Monitoring Division, AtheroPoint™, Roseville, CA, USA