1 Noninvasive Cardiovascular Laboratory, John Paul II Hospital, Kraków, Poland.
2 Department of Cardiac Transplantation and Mechanical Circulatory Support, Wroclaw Medical University, Wrocław, Poland.
3 Department of Cardiovascular Surgery and Transplantology, Jagiellonian University Medical College, John Paul II Hospital, Kraków, Poland.
4 Department of Coronary Disease and Heart Failure, Institute of Cardiology, Jagiellonian University Medical College, John Paul II Hospital, Kraków, Poland.
5 Noninvasive Cardiovascular Laboratory, John Paul II Hospital, Kraków, Poland. agackowski@gmail.com.
6 Department of Coronary Disease and Heart Failure, Institute of Cardiology, Jagiellonian University Medical College, John Paul II Hospital, Kraków, Poland. agackowski@gmail.com.