1. From the Division of Cardiology (J.E., B.A.S., S.O., C.S.) and Basel Institute for Clinical Epidemiology (M.T.K.), University Hospital, Basel, Switzerland; Charité-University Hospital Benjamin Franklin, Berlin, Germany (M.Z.); Division of Cardiology, University of Göttingen, Göttingen, Germany (M.Z.); and Herz-Zentrum Bad Krozingen, Bad Krozingen, Germany (D.K.).