1. Institute of Forestry, Kneza Višeslava 3, Belgrade, Serbia
2. Department of Biology and Ecology, University of Niš, Serbia
3. Faculty of Chemistry, University of Belgrade, Serbia
4. Institute for Chemistry, Technology and Metallurgy, University of Belgrade, Serbia
5. Faculty of Veterinary Medicine, University of Belgrade, Serbia
6. Institute of Botany and Botanical Garden “Jevremovac”, University of Belgrade, Serbia