1. Department of Biophysics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
2. Paediatric Radiology Students’ Scientific Association at the Division of Diagnostic Imaging, 40-752 Katowice, Poland
3. Department of Radiology and Nuclear Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-752 Katowice, Poland
4. Division of Cardiology and Structural Heart Disease, Medical University of Silesia, 40-635 Katowice, Poland
5. Professor Zbigniew Religa Student Scientific Association at the Department of Biophysic, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Jordana 19, 41-808 Zabrze, Poland
6. Cardiology Students’ Scientific Association at the III Department of Cardiology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-635 Katowice, Poland
7. Bright Coders’ Factory, Technologiczna 2, 45-839 Opole, Poland
8. Individual Specialist Medical Practice, 40-754 Katowice, Poland
9. Foundation of Cardiac Surgery Development, 41-800 Zabrze, Poland