1. Departments of Neuroradiology, University of Erlangen-Nuremberg, Erlangen, Germany

2. Departments of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany

3. From the Departments of Neuroradiology, University of Erlangen-Nuremberg, Erlangen, Germany

4. Departments of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany