1 Division of Cardiovascular Imaging, Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, United States; Department of Radiology, University Medical Center Utrecht, Utrecht, The Netherlands.
2 University of Groningen/University Medical Center Groningen, Center for Medical Imaging - North East Netherlands, Department of Radiology, Groningen, The Netherlands.
3 Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria.
4 Division of Cardiovascular Imaging, Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, United States. Electronic address: schoepf@musc.edu.