1. Departments of Neurosurgery and
2. Histopathological Diagnostic Laboratory, Department of Pathology, Medical University of Silesia, Katowice, Poland
3. The Unit of Diagnostic Imaging, Independent Public Clinical Hospital No. 7 of the Medical University of Silesia in Katowice, Professor Leszek Giec Upper Silesian Medical Centre; and
4. Neurology and