1. Department of Cardiology/Angiology/Intensive Care Medicine, University Heart Center Lübeck, University Hospital Schleswig-Holstein, Ratzeburger Allee 160, Lübeck 23538, Germany
2. German Center for Cardiovascular Research (DZHK), Hamburg/Kiel/Lübeck, Lübeck Partner Site, Germany
3. Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, Leipzig 04289, Germany
4. Institute of Medical Biometry and Statistics, Faculty of Medicine and Medical Center - University of Freiburg, Stefan-Meier-Str. 26, Freiburg 79104, Germany