1. From the Department of Cardiology (R.E., S.Mö., S.C., H.K., M.B.), Institute for Medical Informatics, Biometry, and Epidemiology (N.L., S.Moe., N.D., K.-H.J.), Institute of Clinical Chemistry and Laboratory Medicine (M.B.-P., K.M.), and Department of Neurology (C.W.), University Clinic Essen, Essen, Germany; Cardioangiological Center Bethanien (A.S.), Frankfurt, Germany; Institute of Clinical Epidemiology (A.S.), Medical Faculty University Halle-Wittenberg, Halle, Germany; and Institute of Medical...