1. Klinik und Poliklinik für Kardiologie, Universitätsklinikum Leipzig, Liebigstr. 20, Leipzig, Germany
2. University Munich, Medical Department 4 - Grosshadern, Marchioninistr. 15, Munich, Germany
3. Irving Institute for Clinical and Translational Medicine, Vagelos College of Physicians and Surgeons, Columbia University, 630 West 168th Street, New York, NY, USA
4. Department of Medicine, Robarts Research Institute, Western University, London, Ontario, Canada