1. Faculty of Science University of Kragujevac Kragujevac Serbia
2. Institute for Information Technologies, Department of Science University of Kragujevac Kragujevac Serbia
3. Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia
4. Department of Histology and Embryology, Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia