1. Faculty of Science, Department of Chemistry University of Kragujevac Kragujevac Serbia
2. Faculty of Medical Sciences, Center for Molecular Medicine and Stem Cell Research University of Kragujevac Kragujevac Serbia
3. Faculty of Medical Sciences, Department of Pharmacy University of Kragujevac Kragujevac Serbia
4. Faculty of Medical Sciences, Department of Internal Medicine University of Kragujevac Kragujevac Serbia
5. Faculty of Medicine Foca, Department of Surgery University of East Sarajevo Foca Bosnia and Herzegovina