[1] Special Hosp Cerebrovasc Dis Sveti Sava, Belgrade, Serbia
[2] Univ Kragujevac, Fac Med Sci, Dept Pathophysiol, Kragujevac, Serbia
[3] Univ Kragujevac, Fac Med Sci, Dept Social Med, Kragujevac, Serbia
[4] Mil Med Acad, Neurol Clin, Belgrade, Serbia
[5] Univ East Sarajevo, Fac Med, Primary Hlth Can & Publ Hlth, Sarajevo, Republic Srpska, Bosnia & Herceg