1. Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany
2. Department of Diagnostic and Interventional Radiology, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
3. Department of Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
4. Department of Cardiology & Angiology, University Heart Center Freiburg – Bad Krozingen, University Hospital Freiburg, Faculty of medicine, 79106 Freiburg, Germany
5. Computed Tomography, Siemens Healthcare GmbH, Forchheim, Germany