1. Department of Pharmacology and toxicology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
2. Clinical Center Kragujevac, Oncology Clinic, Kragujevac, Serbia
3. Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
4. Department of Radiology, Clinical Center Kragujevac, Kragujevac, Serbia