1. School of Electrical Engineering, University of Belgrade, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia
2. Innovation Center, School of Electrical Engineering, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia
3. Faculty of Technical Sciences, University Singidunum, Danijelova 32, 11000 Belgrade, Serbia
4. Faculty of Philosophy, University of Belgrade, Čika-Ljubina 18-20, 11000 Belgrade, Serbia