1. Institute of Neuropathology, RWTH Aachen University Hospital, Aachen, Germany (Achenbach P, Altinova H, Brook GA)
2. Department of Neurosurgery, RWTH Aachen University Hospital, Aachen, Germany (Altinova H)
3. Berlin State Office for Health and Social Affairs (LAGeSo), Berlin, Germany (Altinova H)