1. Department of General and Interventional Cardiology, University Heart Center, Germany
2. Herzzentrum der Universität zu Köln, Germany
3. Department of Internal Medicine, Federal Armed Forces Hospital Koblenz, Germany
4. Department of Laboratory Medicine, Johannes Gutenberg University, Germany
5. Department of Medicine II University Medical Center, Johannes Gutenberg University, Germany
6. 3rd Department of Cardiology, Aristotle University of Thessaloniki, Greece
7. Department of Internal Medicine I, Katholisches Klinikum Mainz, Germany
8. Cardiology Practice Griesheim, Germany
9. Department of Cardiology, Johann Wolfgang Goethe University Hospital, Germany
10. Department of Cardiology, Asklepios Klinik Harburg, Germany