1. State University of Novi Pazar, Department of Chemical‐Technological Sciences Vuka Karadžića bb Novi Pazar 36300 Serbia
2. University of Kragujevac Institute of Information Technologies, Department of Science Jovana Cvijića bb Kragujevac 34000 Serbia
3. University of Kragujevac, Faculty of Science, Department for Biology and Ecology Radoja Domanovića 12 Kragujevac 34000 Serbia