1. From the Department of Cardiology (A.R., U.M., V.Z., R.B., T.M., B.H., W.J.) and the Department of Radiology (J.T., U.F.), Schwarzwald-Baar-Klinikum Villingen-Schwenningen GmbH, Academic Hospital of the University of Freiburg, Villingen-Schwenningen; the Department of Cardiology (A.R., R.R.T., A.A.), Asklepios Klinik St Georg; and Biometrics, Asklepios Proresearch, Hamburg, Germany (P.W.).