1. Innovation Centre of Faculty of Technology and Metallurgy Belgrade Ltd Belgrade Serbia
2. Faculty of Technology and Metallurgy University of Belgrade Belgrade Serbia
3. Faculty of Dentistry University Business Academy in Novi Sad Pancevo Serbia
4. Department of Chemical Dynamics and Permanent Education VINČA Institute of Nuclear Sciences ‐ National Institute of thе Republic of Serbia, University of Belgrade Belgrade Serbia
5. Department of Physical Chemistry VINČA Institute of Nuclear Sciences ‐ National Institute of thе Republic of Serbia, University of Belgrade Belgrade Serbia