1. Clinic of General and Invasive Cardiology; University Clinical Hospital No. 1; Yerevan Armenia
2. Center for Stroke Research Berlin; Charite Universitätsmedizin Berlin; Berlin Germany
3. German Centre for Cardiovascular Research (DZHK); Berlin Germany
4. Institute of Innovative Clinical Trials, Department of Cardiology and Pneumology; University Medical Centre Göttingen (UMG); Göttingen Germany
5. Department of Cardiology and Berlin-Brandenburg Center for Regenerative Therapies, Campus Virchow; Charite Universitätsmedizin Berlin; Berlin Germany