1. Division of Neuroradiology, Department of Radiology; Case Western Reserve University, University Hospitals of Cleveland, Ohio
2. Division of Neurosurgery, Department of Surgery; Case Western Reserve University, University Hospitals of Cleveland, Ohio
3. Department of Medicine; Case Western Reserve University, University Hospitals of Cleveland, Ohio
4. Division of Neuropathology, Department of Pathology, Case Western Reserve University, University Hospitals of Cleveland, Ohio