1. CCB, Cardioangiologisches Centrum Bethanien, Frankfurt am Main, Germany
2. 3rd Department of Medicine, University Hospital Heidelberg, Germany
3. Institut für Herzinfarktforschung an der Universität Heidelberg, Ludwigshafen, Germany
4. 2nd Department of Medicine, Johannes Gutenberg-University, Mainz, Germany
5. Städtische Kliniken Neuss, Lukaskrankenhaus, Germany
6. Department of Cardiology and Pneumology, Georg-August-University, Göttingen, Germany
7. Clinic for Cardiology and Angiology, Städtisches Klinikum Karlsruhe, Germany
8. 2nd Department of Medicine, Westpfalzklinikum, Kaiserslautern, Germany
9. Department of Cardiology, Pneumology and Internal Intensive Care Medicine, Klinikum Neuperlach, Städtisches Klinikum München GmbH, Germany
10. Kerckhoff Klinik, Bad Nauheim, Germany