1. Institute Technical Sciences of SASA University, Belgrade, Serbia
2. Faculty of Electronic Engineering, University Nis, Nis, Serbia
3. Faculty of Mechanical Engineering, University of Belgrade, Belgrade, Serbia
4. Industrial Technology Research Institute, Taiwan
5. Faculty of Mechanical Engineering, University of Nis, Nis, Serbia
6. National Tsing Hua University, Taiwan
7. Bogolyubov Institute for Theoretical Physics, National Ukrainian Academy of Sciences, Ukraina
8. North Carolina Central University, Durham NC, USA