1. Department of Gastroenterology and Hepatology, University Clinical Center Tuzla, Tuzla 75000, Bosnia and Herzegovina
2. Medical Faculty, University of Tuzla, Tuzla 75000, Bosnia and Herzegovina
3. Department of Internal Medicine, Medical Center “Plava Poliklinika”, Plava Medical Group, Tuzla 75000, Bosnia and Herzegovina
4. Department of Radiology, Medical Center “Plava Poliklinika”, Plava Medical Group, Tuzla 75000, Bosnia and Herzegovina
5. Department of Biochemistry, Medical Center “Plava Poliklinika”, Plava Medical Group, Tuzla 75000, Bosnia and Herzegovina