1. Cardiac Surgery and Transplantology Department, Poznan University of Medical Sciences, Dluga 1/2, 61-848 Poznan, Poland
2. Department of Trace Analysis, Faculty of Chemistry, Adam Mickiewicz University, 61-614 Poznan, Poland
3. Department of Vascular, Endovascular Surgery, Angiology and Phlebology, Poznan University of Medical Science, Dluga 1/2, 61-848 Poznan, Poland
4. Department of Computer Science and Statistics, Poznan University of Medical Sciences, Rokietnicka 7, 60-806 Poznan, Poland
5. Faculty of Medicine, Poznan University of Medical Sciences, 61-701 Poznan, Poland
6. Institute of Clinical Science, Maria Sklodowska-Curie Medical Academy, 00-136 Warsaw, Poland
7. Department of Hypertensiology, Angiology and Internal Medicine, University of Medical Sciences, Dluga 1/2, 61-848 Poznan, Poland