1. Neurology Department and Stroke Unit S. Francesco Hospital Nuoro Italy
2. Neurology Department and Stroke Unit Azienda Ospedaliera Brotzu “G. Brotzu” Hospital Cagliari Sardinia Italy
3. Department of Medical Sciences University of Cagliari and Public Health Cagliari Cagliari Sardinia Italy
4. Digestive Endoscopy Service Azienda Ospedaliera Brotzu “G. Brotzu” Hospital Cagliari Sardinia Italy
5. Diagnostic Imaging Services Department of Interventional Radiology S. Francesco Hospital Nuoro Italy