1. Department of Internal Medicine III (Cardiology, Angiology and Pneumology); University Hospital Heidelberg, University of Heidelberg; Im Neuenheimer Feld 410 69120 Heidelberg Germany
2. DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/Mannheim; Mannheim Germany
3. Department of General Internal Medicine and Psychosomatics; University of Heidelberg; Heidelberg Germany
4. Department of Cardiac Surgery; University of Heidelberg; Heidelberg Germany