1. Department of Cardiology, Medizinische Klinik I, St. Bernward Hospital, Treibestraße 9, 31134 Hildesheim, Germany
2. Department of Cardiology, Medizinische Klinik II, Klinikum Straubing and Comprehensive Heart Failure Center Würzburg, Würzburg, St.-Elisabeth-Straße 23, 94315 Straubing, Germany
3. Department of Cardiology, Universitätsklinikum Regensburg, Klinik und Poliklinik für Innere Medizin II, Franz-Josef-Strauß-Allee 11, 93053 Regensburg, Germany
4. Department of Cardiology, Universitätsklinikum Würzburg and Comprehensive Heart Failure Center Würzburg, Medizinische Klinik und Poliklinik I, Oberdürrbacher Straße 6, 97080 Würzburg, Germany
5. Department of Cardiology and Pneumology, Heart Center, University of Göttingen, Robert-Koch-Straße 40, 37075 Göttingen, Germany
6. Department of Cardiology, Medizinische Klinik I, Klinikum Worms, Gabriel-von-Seidl-Straße 81, 67550 Worms, Germany
7. Department of Cardiology, Klinikum Wolfsburg, Medizinische Klinik I, Sauerbruchstraße 7, 38440 Wolfsburg, Germany
8. Department of Cardiology, Medizinische Klinik I, Klinikum Darmstadt, Grafenstraße 9, 64283 Darmstadt, Germany
9. Department of Cardiology, Asklepios Klinik Langen, Röntgenstraße 20, 63225 Langen, Germany
10. Department of Cardiology, HELIOS Klinikum Krefeld, Medizinische Klinik I, Lutherplatz 40, 47805 Krefeld, Germany
11. Department of Cardiology, Klinikum Neuperlach, Klinik für Kardiologie, Pneumologie und Internistische Intensivmedizin, Oskar-Maria-Graf-Ring 51, 81737 München, Germany
12. Department of Cardiology, Klinikum Ingolstadt, Medizinische Klinik I und IV, Krumenauerstraße 25, 85049 Ingolstadt, Germany
13. Department of Internal Medicine I, Division of Cardiology, University Hospital Jena, Am Klinikum 1, 07740 Jena, Germany
14. Department of Cardiology, Klinikum Lüneburg, Bögelstraße 1, 21339 Lüneburg, Germany
15. Department of Cardiology, Krankenhaus Landshut-Achdorf, Medizinische Klinik I, Achdorfer Weg 3, 84036 Landshut, Germany
16. Department of Medical Statistics, University Medical Center Göttingen, University of Göttingen, and DZHK (German Centre for Cardiovascular Research), partner site Göttingen, Humboldtallee 32, 37073 Göttingen, Germany
17. Department of Psychosomatic Medicine and Psychotherapy, University Medical Center Göttingen, University of Göttingen, and DZHK, partner site Göttingen, Waldweg 33, 37073 Göttingen, Germany