1. Department of Medical Statistics, Epidemiology and Medical Informatics, School of Public Health Andrija Štampar, University of Zagreb School of Medicine, Zagreb, Croatia
2. Department of Radiology, Special Hospital Agram, Zagreb, Croatia
3. Central Medical Library, University of Zagreb School of Medicine, Zagreb, Croatia
4. University of Zagreb School of Medicine, Zagreb, Croatia
5. Department of Diagnostic and Interventional Radiology, University Hospital Dubrava, Zagreb, Croatia
6. Division of Clinical Immunology and Rheumatology, Department of Internal Medicine, University Hospital Centre Zagreb, Zagreb, Croatia
7. Department of Radiology, General Hospital Varaždin, Varaždin, Croatia