1. Institute of Neuropathology University of Duisburg‐Essen Essen Germany
2. Institute of Pathology University of Duisburg‐Essen Essen Germany
3. DKFZ‐Division of Translational Neurooncology West German Cancer Center German Cancer Consortium (DKTK) Partner Site University Hospital Essen, German Cancer Research Center (DKFZ) Heidelberg Germany
4. Institute of Medical Informatics, Biometry and Epidemiology University of Duisburg‐Essen Essen Germany