Authors
Ognjen Djordjevic
Department of Epidemiology, Faculty of Medical Sciences, University Kragujevac, Kragujevac, Serbia
Jovana Radovanovic
Department of Epidemiology, Faculty of Medical Sciences, University Kragujevac, Kragujevac, Serbia
Gordana Djordjevic
Department of Epidemiology, Faculty of Medical Sciences, University Kragujevac, Kragujevac, Serbia
Zorana Babic
Faculty of Medical Sciences University of Kragujevac, Kragujevac, Serbia
Natalija Djurovic
Faculty of Medical Sciences University of Kragujevac, Kragujevac, Serbia
Radomir Lazarevic
Health center Barajevo, Belgrade, Serbia
Igor Galic
Health center Bar, Bar, Montenegro