Affiliation: | (1) Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany;(2) Institute of Clinical Radiology, University Hospital Muenster, Albert-Schweitzer-Strasse33, 48149 Muenster, Germany;(3) Department of Neurosurgery, University Hospital Essen, Essen, Germany;(4) Institute of Neuroradiology, UKGM, Justus-Liebig University Giessen, Giessen, Germany |