1. Na Homolce Hospital, Prague, Czech Republic
2. Heart and Vascular Center, Semmelweis University Budapest, Budapest, Hungary
3. Latvian Centre of Cardiology, Pauls Stradins Clinical University Hospital, Riga, Latvia
4. Vilnius University Hospital Santariskiu Klinikos, Vilnius, Lithuania
5. Department of Cardiology, Academic Medical Center, Amsterdam, The Netherlands
6. Abteilung für Kardiologie, AKH ‐ Universitätsklinik für Innere Medizin II, Vienna, Austria
7. Sigmund Freud Private University of Vienna, Austria
8. Hospital Dr. Sótero del Río, Puente Alto, Santiago, Chile
9. Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
10. Interne 2 ‐ Kardiologie, Angiologie & Interne Intensivmedizin, Krankenhaus der Elisabethinen Linz GmbH, Linz, Austria
11. Backbeat Medical, New Hope, PA
12. Cardiovascular Research Foundation, New York City, NY
13. Asklepios Klinik St. Georg, Hamburg, Germany