1. German Heart Center, Technical University of Munich , Lazarettstr. 36, 80636 Munich , Germany
2. German Center for Cardiovascular Disease Research (DZHK) , Potsdamerstr. 58, 10785 Berlin , Germany
3. Partner Site Munich Heart Alliance, Pettenkoferstr. 8a&9 , 80336 Munich , Germany
4. Institute of Epidemiology and Medical Biometry, University of Ulm, Helmholtzstr. 22 , 89081 Ulm , Germany