1. Department of Internal Medicine, Dr. Josip Benčević General Hospital, 35000 Slavonski Brod, Croatia
2. Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
3. Department of Internal Medicine, General Hospital of Šibenik-Knin County, 22000 Šibenik, Croatia
4. Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia
5. University Hospital Dubrava, 10000 Zagreb, Croatia
6. Faculty of Medicine, University of Zagreb, 10000 Zagreb, Croatia
7. Department of Orthopaedic Surgery, Dr. Josip Benčević General Hospital, 35000 Slavonski Brod, Croatia
8. Department of Orthopaedic Surgery, General Hospital of Šibenik-Knin County, 22000 Šibenik, Croatia
9. Department of Laboratory Diagnostics, General Hospital ‘Dr Josip Benčević’, 35000 Slavonski Brod, Croatia
10. Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
11. Department of Hematology and Coagulation, University Hospital Holy Spirit, 10000 Zagreb, Croatia