Affiliation: | a Department of Cardiology, University of Connecticut Health Center, Farmington, Connecticut b Department of Cardiology, Massachusetts General Hospital, Boston, Massachusetts c Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts d Universidade Federal de Ciencias da Saude de Porto Alegre, Porto Alegre, Brazil e Department of Internal Medicine, University of Connecticut Health Center, Farmington, Connecticut f Philips Research North America, Clinical Sites Research, New York, New York g Cardiovascular MR and CT Program, Baptist Hospital of Miami and Baptist Cardiac and Vascular Institute, Miami, Florida |