1. From the Department of Cardiology (T.B., B.L., T.F., L.F., M.W., D.H.), Institute of Radiology, Nuclear Medicine and Molecular Imaging (H.E.), and Department of Thoracic and Cardiovascular Surgery (G.K.), Heart and Diabetes Center North Rhine–Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany.