1. Department of Internal Medicine and Cardiology Charité – Universitätsmedizin Berlin, Campus Virchow Klinikum Medizinische Klinik m. S. Kardiologie, Augustenburger Platz 1 13353 Berlin Germany
2. DZHK (German Centre for Cardiovascular Research), partner site Berlin Berlin Germany
3. Clinical Trial Centre University of Leipzig Leipzig Germany
4. Comprehensive Heart Failure Center University of Würzburg Würzburg Germany
5. Department of Cardiology University Hospital Giessen & Marburg Marburg Germany
6. DZHK (German Centre for Cardiovascular Research), partner site Göttingen Göttingen Germany
7. Department of Internal Medicine and Cardiology University of Leipzig Leipzig Germany
8. Department of Internal Medicine and Cardiology German Heart Institute Berlin (DHZB) Berlin Germany