1. Department of Chemical Dynamics and Permanent Education, Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
2. Department of Radiation and Environmental Protection, Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
3. Department of Environmental Engineering, Faculty of Technology, University of East Sarajevo, Zvornik, Bosnia and Herzegovina
4. Department of Applied Chemistry, Faculty of Chemistry, University of Belgrade, Belgrade, Serbia