1. High Medical School of Professional Studies, Lole Ribara 1/2, 35230 Cuprija, Serbia
2. Faculty of Medicine, University of Belgrade, Doktora Subotica 8, 11000 Belgrade, Serbia
3. Faculty of Special Education and Rehabilitation, University of Belgrade, Visokog Stevana 2, 11000 Belgrade, Serbia
4. Faculty of Electrical Engineering, University of Belgrade, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia
5. Department of Physical Medicine and Rehabilitation, General Hospital, Karadjordjeva 4, 35000 Jagodina, Serbia