1. Faculty of Medicine, Institute of Microbiology and Immunology, University of Belgrade, Dr Subotica 1, 11000, Belgrade, Serbia
2. Faculty of Medicine, University of Belgrade, Dr Subotica 8, 11000, Belgrade, Serbia
3. Institute for Laboratory Diagnostics “Konzilijum”, Svetog Save 28A, 11000, Belgrade, Serbia
4. Department of Microbiology and Immunology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221, Belgrade, Serbia