1. Department of Cardiology University Heart and Vascular Centre Hamburg Martinistr. 52 Hamburg 20246 Germany
2. German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg/Lübeck/Kiel Hamburg Germany
3. Division of Cardiology, Department of Medicine Karolinska Institute Stockholm Sweden
4. Department of Intensive Care Medicine University Clinic Hamburg‐Eppendorf Hamburg Germany
5. Institute of Cardiovascular Sciences University of Birmingham Birmingham UK