1. Department of Haepatogastroenterology, University Hospital Sveti Duh, Zagreb, Croatia
2. Faculty of Medicine, J.J. Strossmayer University of Osijek, Osijek, Croatia
3. Faculty of Health Studies, University of Rijeka, Rijeka, Croatia
4. Department of Endocrinology and Diabetology, University Hospital Sveti Duh, Zagreb, Croatia