1. Department of Cardiovascular Surgery and Transplantology; Jagiellonian University, John Paul II Hospital; Krakow Poland
2. Deopartment of Pharmacology; Jagiellonian University; Krakow Poland
3. Department of Physiology; Jagiellonian University; Krakow Poland
4. Department of Cardiac and Vacsular Surgery; Medical University of Gdansk; Gdansk Poland
5. Division of Cardiovascular Diseases, Cardiovascular Research Institute, University of Kansas; Kansas City Missouri USA