1. From the Cardiovascular Division, Department of Medicine, Cardiovascular Imaging Program (T.V., M.V.-C., P.E.B., E.M., E.H., V.R.T., M.S., H.S., R.Y.K., S.D., M.F.D.C., R.B.), Department of Radiology (T.V., M.V.-C., P.E.B., E.M., E.H., V.R.T., M.S., H.S., R.Y.K., S.D., M.F.D.C., R.B.), Division of Nuclear Medicine and Molecular Imaging, Department of Radiology (M.A., S.D., M.F.D.C., R.B.), Division of Thoracic Radiology, Department of Radiology (R.M.), and Cardiovascular Division (H.S., R.Y.K., G.S....