1. Division of Cardiology, Department of Medicine Karolinska Institutet Stockholm Sweden
2. Heart, Vascular and Neurology Theme, Karolinska University Hospital Stockholm Sweden
3. Baylor Scott and White Research Institute Dallas TX USA
4. University of Mississippi Jackson MS USA
5. Institute of Heart Diseases Wroclaw Medical University Wroclaw Poland
6. Institute of Heart Diseases, University Hospital Wroclaw Poland
7. Department of Cardiology (CVK) of German Heart Center Charité Institute of Health Center for Regenerative Therapies (BCRT), German Centre for Cardiovascular Research (DZHK) partner site Berlin, Charité Universitätsmedizin Berlin Germany