1 Department of Electrocardiology, John Paul II Hospital, Kraków, Poland.
2 Clinical Department of Interventional Cardiology, The John Paul II Hospital, Kraków, Poland.
3 Department of Electrocardiology, John Paul II Hospital, Kraków, Poland. kuniewiczm@gmail.com.
4 Clinical Department of Interventional Cardiology, The John Paul II Hospital, Kraków, Poland. kuniewiczm@gmail.com.
5 Department of Anatomy, Jagiellonian University Medical College, Kraków, Poland. kuniewiczm@gmail.com.
6 Department of Cardiovascular Surgery and Transplantology, Jagiellonian University Medical College, Faculty of Medicine, Institute of Cardiology, Kraków, Poland.