1 Department of Neuroradiology, Medical Centre-University of Freiburg, Breisacherstraße 64, 79106, Freiburg, Germany.
2 Faculty of Medicine, University of Freiburg, Freiburg, Germany.
3 Department of Neuropathology, Medical Centre-University of Freiburg, Freiburg, Germany.
4 Department of Neurosurgery, Medical Centre-University of Freiburg, Freiburg, Germany.
5 Department of Neuroradiology, Medical Centre-University of Freiburg, Breisacherstraße 64, 79106, Freiburg, Germany. christian.taschner@uniklinik-freiburg.de.
6 Faculty of Medicine, University of Freiburg, Freiburg, Germany. christian.taschner@uniklinik-freiburg.de.