1 Students' Scientific Group of Pulmonary Circulation and Thromboembolic Diseases, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland.
2 Pulmonary Circulation Centre Department of Cardiac and Vascular Diseases, Institute of Cardiology, Jagiellonian University Medical College, John Paul II Hospital, Kraków, Poland.
3 Department of Medical Education, Jagiellonian University Medical College, Krakow, Poland.
4 Pulmonary Circulation Centre Department of Cardiac and Vascular Diseases, Institute of Cardiology, Jagiellonian University Medical College, John Paul II Hospital, Kraków, Poland. [email protected].