1. Department of Internal Medicine I, Division of Cardiology University Hospital Jena, FSU Jena Am Klinikum 1 07747 Jena Germany
2. Clinic for Cardiology, Angiology and Pneumology University Hospital Magdeburg A.ö.R Magdeburg Germany
3. Department of Internal Medicine II, Division of Hematology and Oncology University Hospital Jena, FSU Jena Jena Germany