1. Department of Surgery; Cantonal Hospital ‘Dr. Safet Mujic’; Mostar Bosnia and Herzegovina
2. Department of Internal Medicine; Medical Center ‘Plava Poliklinika’; Tuzla Bosnia and Herzegovina
3. Department of Medical Sciences; The Academy of Sciences and Arts of Bosnia and Herzegovina; Sarajevo Bosnia and Herzegovina
4. Department of Gastroenterology and Hepatology; University Clinical Center Tuzla; Tuzla Bosnia and Herzegovina
5. Department of Radiology; University Clinical Hospital Mostar; Mostar Bosnia and Herzegovina