1 Pulmonary Circulation Center, Department of Cardiac and Vascular Diseases, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
2 John Paul II Hospital, Kraków, Poland
3 Center for Innovative Medical Education, Department of Medical Education, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
4 Clinic of Cardiac Transplantation and Mechanical Circulatory Support, Department of Heart Diseases, Wroclaw Medical University, Wrocław, Poland
5 Clinic of Heart Diseases, Institute of Heart Diseases, University Clinical Hospital, Wrocław, Poland
6 Department of Clinical Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Kraków Branch, Kraków, Poland
7 Pulmonary Circulation Center, Department of Cardiac and Vascular Diseases, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland; John Paul II Hospital, Kraków, Poland. grzegorzkrakow1@gmail.com