1. Department of Cardiology (CVK) and Berlin Institute of Health Center for Regenerative Therapies (BCRT); German Centre for Cardiovascular Research (DZHK) partner site Berlin; Charité Universitätsmedizin Berlin Berlin Germany
2. Institute of Heart Diseases Wrocław Medical University Wrocław Poland
3. Department of Medicine University of Mississippi School of Medicine Jackson MS USA
4. National and Kapodistrian University of Athens School of Medicine, Athens University Hospital Attikon Athens Greece
5. Université de Lorraine, Inserm, Centre d'Investigations Cliniques Plurithématique 1433, and Inserm U1116, CHRU, F‐CRIN INI‐CRCT Nancy France
6. Cardiovascular Research and Development Center, Department of Surgery and Physiology Faculty of Medicine of the University of Porto Porto Portugal
7. Department of Medical Statistics London School of Hygiene and Tropical Medicine London UK
8. Boehringer Ingelheim International GmbH Ingelheim Germany
9. First Department of Medicine, Faculty of Medicine Mannheim University of Heidelberg Mannheim Germany
10. Boehringer Ingelheim Pharma GmbH & Co. KG Biberach Germany
11. Baylor Scott and White Research Institute Dallas TX USA
12. Imperial College London UK