Affiliation: | (1) Department of Neurosurgery, University Hospital of Ioannina, Ioannina, Greece;(2) Department of Pathology, University Hospital of Ioannina, Ioannina, Greece;(3) Department of Neurology, University Hospital of Ioannina, Ioannina, Greece;(4) Department of Nuclear Medicine, University Hospital of Ioannina, Ioannina, Greece;(5) University Hospital of Ioannina, Ioannina, 45500, Greece |