1. Parasitological Laboratory, Department of Microbiology, Clinical Centre of Serbia, Bulevar Oslobodjenja 16, 11000 Belgrade, Serbia
2. Laboratory of Parasitology, Department of Microbiology and Infection Control, Division of Diagnostics and Infection Control, Statens Serum Institute, 5 Artillerivej, DK–2300 Copenhagen, Denmark
3. Medical Faculty, University of Belgrade, Dr Subotića 8, 11000 Belgrade, Serbia
4. Clinic for Infectious and Tropical Diseases, Clinical Centre of Serbia, Bulevar Oslobodjenja 16, 11000 Belgrade, Serbia