1. Department of Gastroenterology, Hepatology and Clinical Nutrition; University Hospital Dubrava; University of Zagreb School of Medicine and Faculty of Pharmacy and Biochemistry; Zagreb Croatia
2. Department of Gastroenterology and Hepatology; University Clinical Center Tuzla; Tuzla Bosnia and Herzegovina
3. Department of Diagnostic and Interventional Radiology; University Hospital Dubrava; University of Zagreb School of Medicine; Zagreb Croatia
4. Department of Pathology and Cytology; University Hospital Dubrava; Zagreb Croatia
5. Faculty of Medicine; University “J.J. Strossmayer”; Osijek Croatia
6. Department of Pathology and Cytology; University Hospital Dubrava; University of Zagreb School of Medicine; Zagreb Croatia
7. Department of Abdominal Surgery; University Hospital Dubrava; Zagreb Croatia
8. Department of Gastroenterology and Hepatology; University Hospital Merkur; University of Zagreb School of Medicine; Zagreb Croatia
9. Hepatology; Swiss Liver Center; University Clinic for Visceral Surgery and Medicine; Inselspital, University of Berne; Berne Switzerland