Authors
Dalibor Stajic
University of Kragujevac, Serbia, Faculty of Medical Sciences, Department of Hygiene and ecology,, Kragujevac, Serbia
Sandra Zivanovic
University of Kragujevac, Serbia, Faculty of Hotel Management and Tourism, Vrnjacka Banja,, Kragujevac, Serbia
Ana Miric
University of Kragujevac, Serbia, Faculty of Medical Sciences, Department of Hygiene and ecology,, Kragujevac, Serbia
Marija Sekulic
University of Kragujevac, Serbia, Faculty of Medical Sciences, Department of Hygiene and ecology,, Kragujevac, Serbia
Nela Djonovic
University of Kragujevac, Serbia, Faculty of Medical Sciences, Department of Hygiene and ecology, Kragujevac, Serbia
Institute of Public Health,, Kragujevac, Serbia