1. Faculty of Pharmacy; Department of Drug Analysis; University of Belgrade; Vojvode Stepe 450 11000 Belgrade Serbia
2. Faculty of Mathematics; Department for Numerical Mathematics and Optimization; University of Belgrade; Studentski trg 16/IV 11 000 Belgrade Serbia
3. Faculty of Mathematics; Department for Computer Science and Informatics; University of Belgrade; Studentski trg 16/IV 11 000 Belgrade Serbia
4. Faculty of Pharmacy; Department of Physical Chemistry and Instrumental Methods; University of Belgrade; Vojvode Stepe 450 Belgrade