1. Division of Cardiology, Medical University of Vienna , Waehringer Guertel 18-20, Vienna 1090 , Austria
2. Department of Cardiology, Angiology, and Pneumology, University Hospital Heidelberg , Im Neuenheimer Feld 410, Heidelberg 69120 , Germany
3. Department of Acute and Emergency Care, St.-Antonius-Hospital Dechant-Deckers-Straße 8, 52249 Eschweiler , Germany
4. DZHK (German Centre for Cardiovascular Research), Partner Site Partner Site Heidelberg/Mannheim , Heidelberg , Germany