1 Department of Coronary Disease and Heart Failure, Institute of Cardiology, Jagiellonian University Medical College, John Paul II Hospital, Kraków, Poland; Department of Experimental Cardiac Surgey, Anesthesiology and Cardiology, Institute of Cardiology, Jagiellonian University Medical College, Kraków, Poland. dr.gajos@gmail.com
2 Department of Experimental Cardiac Surgey, Anesthesiology and Cardiology, Institute of Cardiology, Jagiellonian University Medical College, Kraków, Poland