1. Department of Cardiovascular Diseases Internal Medicine Clinic, University Hospital Osijek, J. Huttlera 4, 31000 Osijek, Croatia
2. Faculty of Medicine Osijek, Department of Internal Medicine, Josip Juraj Strossmayer University, J. Huttlera 4, 31000 Osijek, Croatia
3. Department of Rheumatology and Clinical Immunology, University Hospital Rijeka, Braće Branchetta 20/1, 51000 Rijeka, Croatia
4. Faculty of Medicine Rijeka, Department of Internal Medicine, University of Rijeka, Braće Branchetta 20/1, 51000 Rijeka, Croatia