1. Department of Cardiothoracic and Vascular Surgery, Vascular Surgery Unit, University Hospital of Heraklion, Crete, Greece
2. Department of Medical Imaging, Interventional Radiology Unit, University Hospital of Heraklion, Crete, Greece
3. Department of Neurology, University Hospital of Heraklion, Crete, Greece
4. School of Medicine, University of Crete, Heraklion, Greece
5. Department of Neurology, Henry Ford Hospital, Detroit, MI, USA