1 Division of Cardiovascular Imaging, Department of Radiology and Radiological Science, Medical University of South Carolina, 25 Courtenay Dr, Charleston, SC 29425, USA; Department of Radiology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany. Electronic address: fink@musc.edu.
2 Department of Diagnostic and Interventional Radiology, University Medical Center of Johannes Gutenberg-University Mainz, Langenbeckst. 1, 55131 Mainz, Germany; German Centre for Cardiovascular Research, Partner Site Rhine-Main, 55131 Mainz, Germany. Electronic address: moritz.halfmann@unimedizin-mainz.de.