1. From the Heart Center (C.M., H.-W.B., V.G., R.T., G.R., M.A.-W.), and Radiology Department (D.Z.), Segeberger Kliniken GmbH (Academic Teaching Hospital of the Universities of Kiel and Hamburg), Bad Segeberg, Germany; and Cardiology Department, Ain Shams University, Cairo, Egypt (A.E.M.).