1. Division of Cardiovascular Medicine, Department of Medicine, University of Virginia Health System, Charlottesville
2. Virginia Commonwealth University Pauley Heart Center, Virginia Commonwealth University, Richmond
3. Department of Medicine, University of North Carolina, Chapel Hill
4. Department of Internal Medicine, Scripps Health, La Jolla, California
5. Department of Radiology and Medical Imaging, University of Virginia Health System, Charlottesville
6. Cardiovascular Imaging Center, Department of Biomedical Engineering, University of Virginia Health System, Charlottesville