1. Department for Heart and Vascular Diseases, Osijek University Hospital, Osijek, Croatia
2. Department of Physiology and Immunology, Faculty of Medicine, University J.J. Strossmayer in Osijek, Osijek, Croatia
3. Department of Rheumatology and Clinical Immunology, Osijek University Hospital, Osijek, Croatia
4. Faculty of Medicine, University J.J. Strossmayer in Osijek, Osijek, Croatia
5. Department for Emergency Medical Services of the Osijek-Baranja county, Osijek, Croatia
6. Department of Internal Medicine, Faculty of Medicine, University J.J. Strossmayer in Osijek, Osijek, Croatia