1. Institute for Diagnostic and Interventional Radiology, Brandenburg Medical School Theodor Fontane, Brandenburg a. d. Havel, Germany
2. Dpt. of Radiology, University Hospital, LMU Munich, Munich, Germany
3. Department of Medicine II, LMU Munich, Munich, Germany
4. Department of Medicine A, University Medicine Greifswald, Greifswald, Germany
5. Diagnostic and Interventional Radiology, Hospital Konstanz, Germany
6. Department of Radiology, Clemenshospital GmbH Münster, Germany
7. Department of Diagnostic and Interventional Radiology, Hannover Medical School, Hannover, Germany
8. Imaging and Prevention Center, Conradia Radiology Munich, Germany