1. Comprehensive Heart Failure Center and Department of Medicine I, University Hospital Würzburg, Wurzburg, Germany
2. Institute of Clinical Epidemiology and Biometry, University of Würzburg and Clinical Trial Center Würzburg, University Hospital Würzburg, Wurzburg, Germany
3. Department of Medicine and Cardiology and Heart Center, University Hospital Leipzig, Leipzig, Germany
4. Department of Cardiology, University Hospital Göttingen, Gottingen, Germany5Department of Internal Medicine, Cardiology, Charité-Campus Virchow-Klinikum, Universitätsmedizin Berlin, Berlin, Germany
5. Department of Cardiology, University Hospital Göttingen, Gottingen, Germany
6. German Heart Center Munich, Technical University München, Munich
7. Department of Medicine II, University Hospital Lübeck, Lubeck, Germany
8. Department of Medicine III, Saarland University Hospital, Homburg (Saar), Germany
9. Department of Cardiology, Theresienkrankenhaus (Academic Teaching Hospital of the University of Heidelberg), Heidelberg, Germany
10. University Heart Center Hamburg, Hamburg, Germany
11. Department of Cardiology, University Hospital Marburg, Marburg, Germany
12. Clinical Trial Center Leipzig, University of Leipzig, Leipzig, Germany
13. Department of Cardiology, University Hospital Nürnberg, Klinikum Nürnberg, Nurnberg, Germany
14. Department of Medical Psychology, Medical Sociology and Rehabilitation Sciences, Center of Mental Health, University of Würzburg, Wurzburg, Germany
15. Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Center of Mental Health, University Hospital Würzburg, Wurzburg, Germany