1. Department of Radiology and Radiological Science, Division of Cardiovascular Imaging, Medical University of South Carolina, 25 Courtenay Dr, Ashley River Tower, Charleston, SC 29425-2260.
2. Department of Diagnostic and Interventional Radiology, University Hospital Augsburg, Augsburg, Germany.
3. Department of Surgery, Division of Cardiothoracic Surgery, Medical University of South Carolina, Charleston, SC.
4. Department of Cardiac, Thoracic and Vascular Surgery, University Medical Center Mainz, Mainz, Germany.
5. Department of Medicine, Division of Cardiology, Medical University of South Carolina, Charleston, SC.
6. Department of Radiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany.
7. German Centre for Cardiovascular Research, Mainz, Germany.