1. Department of Internal Medicine, General Hospital of Sibenik-Knin County, Sibenik, Croatia
2. Faculty of Medicine, University of Rijeka, Rijeka, Croatia
3. University of Applied Sciences, Sibenik, Croatia
4. Clinic of Hematology, University Clinical Center of Serbia, Belgrade, Serbia
5. Faculty of Medicine, University of Belgrade, Belgrade, Serbia
6. Division of Hematology, University Hospital Dubrava, Zagreb, Croatia
7. School of Medicine, University of Zagreb, Zagreb, Croatia