1. Klinik für Innere Medizin III‐Kardiologie, Angiologie und Internistische Intensivmedizin Universitätsklinikum des Saarlandes Kirrberger Strasse 100 Homburg 66421 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. Department of Medicine University of Mississippi Medical Center Jackson MS USA
4. University of Warwick Coventry UK
5. Division of Cardiology General Hospital Murska Sobota Murska Sobota Slovenia
6. Faculty of Medicine University of Ljubljana Ljubljana Slovenia
7. Faculty of Natural Sciences and Mathematics University of Maribor Maribor Slovenia
8. Division of Cardiology, Department of Medicine Karolinska Institutet Stockholm Sweden
9. Department of Cardiology University and Civil Hospitals of Brescia Brescia Italy
10. Department of Cardiology Ziekenhuis Oost‐Limburg (ZOL) Genk Belgium
11. Department of Medical Sciences IRCCS San Raffaele Pisana Rome Italy