1. Faculty of HealthCare, Slovak Medical University, Banská Bystrica, Slovakia
2. Faculty of Sports Science and Health, Matej Bel University, Banská Bystrica, Slovakia
3. Medical Academy, Department of Sports Medicine, Lithuanian University of Health Sciences, Kaunas, Lithuania
4. 2nd Department of Internal Medicine of the Slovak Medical University Faculty of Medicine, HEGITO (Division Hepatology, Gastroenterology and Liver Transplant), F. D. Roosevelt Teaching Hospital, Banská Bystrica, Slovakia