1 From the Department of Radiology (V.R., E.P., K.K., M.A., P.P.), and 2nd Department of Neurology (I.K., P.S., N.G., T.K.), Aristotle University of Thessaloniki, School of Medicine, AHEPA University Hospital, Thessaloniki, Greece.
2 From the Department of Radiology (V.R., E.P., K.K., M.A., P.P.), and 2nd Department of Neurology (I.K., P.S., N.G., T.K.), Aristotle University of Thessaloniki, School of Medicine, AHEPA University Hospital, Thessaloniki, Greece. tkarapanayiotides@yahoo.gr.