1. “Club 30”, Polish Cardiac Society, 93-338 Łódź, Poland
2. Department of Interventional Cardiology and Cardiac Surgery, Collegium Medicum, University of Zielona Góra, 65-046 Zielona Góra, Poland
3. Department of Cardiology, Nowa Sól Multidisciplinary Hospital, 67-100 Nowa Sól, Poland
4. Department of Cardiology, J. Strus Hospital, 61-285 Poznań, Poland
5. J. Strus Hospital, 61-285 Poznań, Poland
6. Department of Hypertension, Angiology, and Internal Medicine, Poznan University of Medical Sciences, 61-848 Poznań, Poland