*Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Frankfurt ‡Department of Diagnostic and Interventional Radiology, University Hospital of Tübingen, Tübingen, Germany †Department of Radiology and Radiological Science, Division of Cardiovascular Imaging, Medical University of South Carolina, Charleston, SC §Section of Radiological Sciences, Department of Biomedical Sciences and Morphological and Functional Imaging, University of Messina, Messina, Italy ∥Cardiac MR PET CT Program, Massachusetts General Hospital, Harvard Medical School, Boston, MA.