1. Department of Internal Medicine, Angiology and Physical Medicine, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Batorego St. 15, 41-902 Bytom, Poland
2. Department of Biochemistry, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Jordana 19 St., 41-808 Zabrze, Poland
3. Higher School of Strategic Planning in Dąbrowa Górnicza, Kościelna 6 St., 41-300 Dąbrowa Górnicza, Poland
4. Second Department of Cardiology, Institute of Cardiology, Jagiellonian University Medical College, 17 Kopernika St., 31-501 Krakow, Poland
5. Department of Medical Physics, Chelkowski Institute of Physics, University of Silesia, 4 Uniwersytecka St., 40-007 Katowice, Poland