1. From the Department of Cardiology, Carol Davila University of Medicine and Pharmacy (B.A.P., I.L., S.A.G., C.G.), the Department of Cardiology, Prof. Dr. C. C. Iliescu Institute of Cardiovascular Diseases (B.A.P., C.G.), and the Department of Radiology, Fundeni Clinical Institute (I.L., S.A.G.), Bucharest, Romania.