1. Institute of Neuropathology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
2. Department of Pathology; Karolinska Institute and University Hospital; Stockholm Sweden
3. Department of Neurosurgery; University Medical Center Hamburg-Eppendorf; Hamburg Germany
4. Department of Neurosurgery; University of Erlangen-Nürnberg; Erlangen Germany
5. Institute of Neuropathology; Friedrich-Alexander University Erlangen-Nürnberg (FAU); Erlangen Germany