1. Department of Cardiology, University Heart & Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
2. German Center for Cardiovascular Research (DZHK), partner site Hamburg/Kiel/Luebeck , Hamburg , Germany
3. Center for Population Health Innovation (POINT), University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
4. German Heart Center, Munich, Technical University of Munich , Lazarettstr. 36, D-80636 Munich , Germany
5. German Center for Cardiovascular Disease Research (DZHK), partner site Munich Heart Alliance , Munich , Germany
6. Institute of Epidemiology and Medical Biometry, University of Ulm , Ulm , Germany