1. Department of Neurology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
2. Clinic of Neurology, University Clinical Center Kragujevac, 34000 Kragujevac, Serbia
3. Department of Infectious Diseases, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
4. Clinic for Infectious Diseases, University Clinical Center Kragujevac, 34000 Kragujevac, Serbia
5. Faculty of Medicine, Institute of Hygiene and Medical Ecology, University of Belgrade, 11000 Belgrade, Serbia
6. Cognitive Neuroscience Department Research and Development Institute “Life Activities Advancement Institute”, 11000 Belgrade, Serbia
7. Department of Speech, Language and Hearing Sciences, Institute for Experimental Phonetics and Speech Pathology, 11000 Belgrade, Serbia
8. Department of Social Medicine, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia