1. Cardioangiological Center Bethanien; Frankfurt
2. Department of Cardiology; University Medical Centre Göttingen; Göttingen
3. Department of Cardiology; West-German Heart and Vascular Center, University Hospital Essen, University of Duisburg-Essen; Essen
4. Department of Cardiology and Angiology; University Medical Center; Mainz Germany
5. Heart Centre Brandenburg; Bernau/Berlin Germany
6. Department of Cardiology; Eberhard-Karls-University Tuebingen; Tuebingen Germany
7. Department of General and Interventional Cardiology; University Heart Center Hamburg; Hamburg Germany
8. Department for Cardiology and Angiology; Helios Heart Center; Siegburg Germany
9. Institute of Myocardial Infarction Research; Ludwigshafen Germany