1. Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
2. National Institute of Chemistry, Hajdrihova 19, SI 1000 Ljubljana, Slovenia
3. Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, SI 1000 Ljubljana, Slovenia
4. Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia
5. National Cancer Research Center, Pasterova 14, 11000 Belgrade, Serbia