1. Department of Cardiology and Pneumology University Medical Center Göttingen Robert‐Koch‐Str. 40 Göttingen 37075 Germany
2. DZHK, German Centre for Cardiovascular Research Göttingen Germany
3. Institute for Clinical Chemistry University Medical Center Göttingen Göttingen Germany
4. Department of Thoracic, Cardiac and Vascular Surgery (Heart and Diabetes Center) North Rhine Westphalia Bad Oeynhausen Germany