1. Klinik für Innere Medizin III, Kardiologie Angiologie und Internistische Intensivmedizin, Universitätsklinikum des Saarlandes, Universität des Saarlandes Homburg/Saar Germany
2. Department of Cardiology & Berlin Institute of Health Center for Regenerative Therapies (BCRT) German Centre for Cardiovascular Research (DZHK), partner site Berlin, Charité‐Universitätsmedizin Berlin (Campus CVK) Berlin Germany
3. Centre for Clinical and Basic Research IRCCS San Raffaele Roma Rome Italy
4. Baylor Heart and Vascular Institute, Baylor University Medical Center Dallas TX USA
5. Imperial College London London UK
6. Department of Medicine University of Mississippi Medical Center Jackson MS USA