1. Faculty of Science, Department of Chemistry, University of Kragujevac, Radoja Domanovića 12, Kragujevac, P. O. Box 60, 34000, Serbia
2. Faculty of Mining and Geology, University of Belgrade, Đušina 7, Belgrade, 11000, Serbia
3. University of Kragujevac, Institute for Information Technologies Kragujevac, Jovana Cvijića bb 34 000, Kragujevac, Serbia
4. Faculty of Science, Department of Biology, University of Kragujevac, Radoja Domanovića 12, Kragujevac, 34000, Serbia
5. Faculty of Medicinal Science, Department of Internal Medicine, University of Kragujevac, Svetozara Markovića 69, Kragujevac, 34000, Serbia