1. Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Silesian Center for Heart Diseases in Zabrze, Poland
2. Department of Psychoprophylaxis, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Poland
3. Military Institute of Medicine, Warsaw, Poland