1. Division of Experimental Imaging, Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, 60596 Frankfurt am Main, Germany
2. Department of Biomedical Sciences and Morphological and Functional Imaging, University of Messina, 98122 Messina, Italy
3. Department of Radiology and Nuclear Medicine, Erasmus MC, 3015 GD Rotterdam, The Netherlands
4. Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, 60596 Frankfurt am Main, Germany
5. Department of Neuroradiology, University Hospital Mainz, 55131 Mainz, Germany
6. Department of Diagnostic and Interventional Radiology and Neuroradiology, Bundeswehr Central Hospital Koblenz, 56072 Koblenz, Germany
7. Department of Radiology and Nuclear Medicine, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
8. Institute of Neuroradiology, University Medical Centre, Johannes Gutenberg University Mainz, 55099 Mainz, Germany