From the Division of Cardiology (L.L., C.V., D.B., V.J., Z.E., T.D., D.D., R.B., H.C.) and the Department of Radiology and Radiological Science (M.M., D.K.), The Johns Hopkins Hospital, Baltimore, Md, and the Department of Medicine-Cardiology, University of Bonn, Bonn, Germany (L.L., B.L.). (2004-11-09時点)