1. Department of Cardiology University Heart and Vascular Center Hamburg Hamburg Germany
2. German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg/Lübeck/Kiel Hamburg Germany
3. Department of Medicine Karolinska Institutet Stockholm Sweden
4. Department of Cardiovascular Surgery University Heart and Vascular Center Hamburg Hamburg Germany
5. Heart Center Leipzig at University of Leipzig and Leipzig Heart Institute Leipzig Germany
6. Department of Cardiology University Hospital Odense Odense Denmark
7. Department of Intensive Care Medicine University Clinic Hamburg‐Eppendorf Hamburg Germany