[1] Univ Kragujevac, Student Fac Med Sci, Kragujevac, Serbia
[2] Clin Ctr Kragujevac, Dept Internal Med, Kragujevac, Serbia
[3] Clin Neurol & Psychiat Children & Youth, Dept Psychiat, Belgrade, Serbia
[4] Univ Kragujevac, Fac Med Sci, Dept Social Med, Kragujevac, Serbia
[5] Univ Kragujevac, Fac Med Sci, Dept Ophthalmol, Kragujevac, Serbia