1. Institute for Cardiovascular Diseases ‘Dedinje’ University of Belgrade Belgrade Serbia
2. Faculty of Medicine University of Belgrade Belgrade Serbia
3. Department of Cardiology‐Internal Medicine at Heart Center Leipzig University of Leipzig Strümpellstraße 39 Leipzig 04289 Germany
4. Department of Cardiology and Pneumology University Medicine Göttingen (UMG) Göttingen Germany
5. German Centre for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany
6. Faculty of Medicine University of Ljubljana Ljubljana Slovenia
7. Division of Cardiology General Hospital Murska Sobota Murska Sobota Slovenia