1. Department of Cardiology2nd Medical School, Charles University and University Hospital MotolPrague Czech Republic
2. Klinikum Bielefeld‐Mitte, Department of Cardiology and Internal Intensive Care, BielefeldUniversity of Witten/Herdecke Germany
3. Department of CardiologyUniversity of Witten/Herdecke Germany
4. 1st Department of Internal Medicine/CardioangiologyInternational Clinical Research Centre–St. Anne's University HospitalBrno Czech Republic
5. Department of CardiologyPodlesi HospitalTrinec Czech Republic
6. Department of CardiologyVarna Bulgaria
7. 2nd Department of Cardiology, Collegium MedicumJagiellonian UniversityCracow Poland
8. Department of Interventional Cardiology and AngiologyInstitute of CardiologyWarsaw Poland
9. Department of CardiologyNational Institute of Cardiovascular DiseasesBratislava Slovakia
10. Department of Internal Medicine IIIMedical University Innsbruck Austria