1. Department of Physiology, Pathophysiology and Clinical Immunology Collegium Medicum of Jan Kochanowski University Kielce Poland
2. Department of Cardiac Surgery Swietokrzyskie Cardiology Center Kielce Poland
3. 2nd Department of Cardiology, Faculty of Medical Science in Zabrze Medical University of Silesia in Katowice Katowice Poland
4. Department of Cardiology Medical University of Lublin Lublin Poland