From the University of Rostock, Heart Center and Institute for Biostatistics, Rostock, Germany (C.A.N., S.K., T.C.R., G.K., A.G., T.K., H.I.); CCB Heart Center Frankfurt, Frankfurt, Germany (H.E.); University Heart Center Leipzig, Leipzig, Germany (D.S.); German Heart Institute Berlin, Berlin, Germany (B.Z.); the Centre Hospitalière Universitaire, Hôpital de Rangueil, Toulouse, France (H.R.); the Universitá St. Orsola Malpighi, Bologna, Italy (R.F.); the Department of Cardiovascular Surgery,...(2013-08時点)