1. Department of Internal Medicine General Hospital of Šibenik‐Knin County Šibenik Croatia
2. Department of Internal Medicine Dr. Josip Benčević General Hospital Slavonski Brod Croatia
3. School of Medicine University of Osijek Osijek Croatia
4. Department of Internal Medicine General Hospital Zadar Zadar Croatia
5. Division of Hematology University Hospital Dubrava Zagreb Croatia
6. School of Medicine University of Zagreb Zagreb Croatia