1. Department of Neurosurgery, Nordstadt Hospital Hannover, Hannover, Germany
2. Department of Pathology, Nordstadt Hospital Hannover, Hannover, Germany
3. Department of Medical Oncology, Bellaria Hospital, AUSL-IRCCS Institute of Neurological Sciences, Bologna, Italy
4. Department of Neurosciences, Statistics and Informatics Unit, University Hospital Padova, Padua, Italy
5. Department of Neuropathology, Institute of Pathology, Hannover Medical School, Hannover, Germany