1. Heart Center Leipzig, University of Leipzig, Germany (H.T., M.A.-W., S.D.).
2. Leipzig Heart Institute, Germany (H.T., M.A.-W., S.D.).
3. Klinikum Ludwigshafen and Institut für Herzinfarktforschung, Germany (U.Z., S.S., T.O.).
4. University Heart Center, Luebeck, Germany (N.T., R.M.-S., G.F., I.E., S.d.W.-T.).
5. Heart Center Bad Krozingen, University of Freiburg, Germany (F.-J.N.).
6. Klinikum der Ludwig-Maximilians, Universität München, Germany (J.H.).
7. Heart Center, Segeberger Kliniken, Bad Segeberg, Germany (M.A.-W.).
8. German Center for Cardiovascular Research, Partner Site Hamburg/Kiel/Luebeck, Luebeck (G.F., I.E., S.D., S.d.W.-T.).
9. Klinikum Links der Weser, Bremen, Germany (R.H.).
10. University Clinic of Saarland, Homburg/Saar, Germany (M.B.).
11. Department of Internal Medicine/Cardiology, Martin-Luther University Halle-Wittenberg, Germany (K.W.).
12. University Medicine Greifswald, Germany (S.B.F.).
13. Department of Internal Medicine/Cardiology, SLK Kliniken Heilbronn, Germany (M.H.).