1. Faculty of Medicine; Department of Medical Education; Jagiellonian University Medical College; Cracow Poland
2. Department of Anesthesiology and Intensive Care Medicine; Jagiellonian University Medical College; Cracow Poland
3. Coronary Heart Disease and Coronary Insufficiency Clinic with the Subdivision of Intensive Cardiological Supervision; John Paul II Specialist Hospital in Cracow; Cracow Poland