1. National Institute of Cardiovascular Diseases, Clinic of Cardiac Surgery, Medical Faculty, Comenius University, 813 72 Bratislava, Slovakia
2. Department of Pharmacology and Clinical Pharmacology, Medical Faculty, Comenius University, 813 72 Bratislava, Slovakia
3. 5th Department of Internal Medicine, Medical Faculty Comenius, Comenius University Bratislava, 813 72 Bratislava, Slovakia
4. Department of Pharmacology and Toxicology, University of Veterinary Medicine and Pharmacy in Kosice, 041 81 Kosice, Slovakia