1. Department of General and Interventional Cardiology, University Heart Center Hamburg Eppendorf, Hamburg, Germany
2. German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany
3. Department of Internal Medicine II, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, Austria
4. 3rd Department of Medicine, Cardiology and Intensive Care Medicine, Wilhelminenhospital, Vienna, Austria
5. Department of Pharmacology, School of Medicine, Instituto de Investigación Gregorio Marañón, CIBERCV, Universidad Complutense, Ciudad Universitaria, Madrid, Spain
6. Cardiology Pasing, Munich, Germany and University of the Saarland, Homburg/Saar, Germany
7. Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna, Austria
8. Faculty of Medicine, Sigmund Freud University, Vienna, Austria
9. Department of Internal Medicine, Cardiology and Nephrology, Landesklinikum Wiener Neustadt, Wiener Neustadt, Austria