1 Section of Cardiovascular Imaging, Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, J1-5, 9500 Euclid Avenue, Cleveland, OH, 44195, USA.
2 Section of Cardiovascular Imaging, Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, J1-5, 9500 Euclid Avenue, Cleveland, OH, 44195, USA. hachamr@ccf.org.