1. University of Kragujevac , Serbia , Faculty of Medical Sciences, Department of Communication Skills, Ethics and Psychology
2. University of Kragujevac , Serbia , Faculty of Medical Sciences, Department of Social Medicine
3. Health Center Aranđelovac , Aranđelovac , Serbia
4. University of Kragujevac , Serbia , Faculty of Medical Sciences, Department of Psychiatry
5. University of Kragujevac , Serbia , Faculty of Medical Sciences, Department of Neurology