1. Department of Cardiology and Pneumonology; CharitéCentrum 11 for Cardiovascular Medicine, Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin; Hindenburgdamm 30, D-12200 Berlin Germany
2. Institute of Medical Immunology and Berlin-Brandenburg Center for Regenerative Therapies (BCRT); Charité - Universitätsmedizin Berlin, Campus Virchow Clinic; Augustenburger Platz 1, D-13353 Berlin Germany
3. Department of Pathology; Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin; Hindenburgdamm 30, D-12200 Berlin Germany
4. Institute of Cardiac Diagnostics and Therapy; Moltkestrasse 31, D-12203 Berlin Germany