1. Department of Nephrology, Dyalisis and Transplantation, Internal Medicine Hospital, University Clinical Center Tuzla, Trnovac bb, 75000 Tuzla, Bosnia And Herzegovina
2. Department of Gastroenterology and Hepatology, Internal Medicine Hospital, University Clinical Center Tuzla, Trnovac bb, 75000 Tuzla, Bosnia And Herzegovina
3. Pulmonary Diseases Hospital, University Clinical Center Tuzla, Trnovac bb, 75000 Tuzla, Bosnia And Herzegovina