1 Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Essen D-45147, Germany felix.nensa@uk-essen.de.
2 Department of Cardiology, University Hospital Essen, University of Duisburg-Essen, Essen D-45147, Germany.
3 Department of Nuclear Medicine, University Hospital Essen, University of Duisburg-Essen, Essen D-45147, Germany.
4 Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Essen D-45147, Germany.