1. Department of Cardiology and Structural Heart DiseasesMedical University of Silesia Katowice Poland
2. First Department of CardiologyMedical University of Gdańsk Gdańsk Poland
3. Military Hospital Wroclaw Poland
4. Department of Heart DiseasesWroclaw Medical University Wroclaw Poland
5. Third Department of CardiologyMedical University of Katowice Zabrze Poland
6. Second Department of CardiologyJagiellonian University Medical College Krakow Poland
7. INOVA Heart and Vascular Institute Virginia
8. Interventional Cardiology and Cardiovascular Medicine Research, Cardiovascular Research CenterMater Dei Hospital Bari Italy
9. SIRIO MEDICINE Research Network Düsseldorf Germany
10. Department of Cardiology Nicolaus Copernicus UniversityCollegium Medicum Bydgoszcz Poland