1. Cardiology Students’ Scientific Association, Department of Cardiology, SHS, Medical University of Silesia, 40-635 Katowice, Poland
2. Health Promotion and Obesity Management Unit, Department of Pathophysiology, Faculty of Medicine in Katowice, Medical University of Silesia, 40-752 Katowice, Poland
3. Department of Cardiology, SHS, Medical University of Silesia, 40-055 Katowice, Poland