1. From the Department of Diagnostic and Interventional Radiology (E.T., M. Sinn, M.A., J.W., G.A., G.K.L.), University Heart Center, Department of General and Interventional Cardiology (S. Bohnen, U.K.R., S. Blankenberg, K.M.), and Department for Medical Biometry and Epidemiology (C.E.), University Hospital Eppendorf, Martinistr 52, 20246 Hamburg, Germany; Department of Information Technology and Image Processing, University of Applied Sciences, Wedel, Germany (D.S.); Philips Research Hamburg, Hamburg,...