1. Division of Emergency and Acute Medicine; Charité-Universitätsmedizin Berlin; Berlin Germany
2. Department of Cardiology; Charité-Universitätsmedizin Berlin; Berlin Germany
3. Department of Cardiology and Pneumology; University Medical Center Göttingen; Göttingen Germany
4. BRAHMS, Thermo Fisher Scientific; Hennigsdorf Germany
5. Division of Cardiology and Metabolism, Department of Cardiology (Campus Virchow-Klinikum); Berlin-Brandenburg Center for Regenerative Therapies (BCRT) and German Centre for Cardiovascular Research (DZHK); Berlin Germany
6. University of California, San Diego and Veterans Affairs Medical Center; San Diego CA USA