1. Hematology Department, University Hospital Dubrava, Zagreb, Croatia
2. School of Medicine, University of Zagreb, Zagreb, Croatia
3. Internal Medicine Department, General Hospital Sibenik-Knin County, Sibenik, Croatia
4. Faculty of Medicine, University of Rijeka, Rijeka, Croatia
5. Gastroenterology Department, University Hospital Dubrava, Zagreb, Croatia
6. Pulmonology Department, University Hospital Dubrava, Zagreb, Croatia
7. Abdominal Surgery Department, University Hospital Dubrava, Zagreb, Croatia
8. Nephrology Department, University Hospital Center Zagreb, Zagreb, Croatia