1. Faculty of Biology, University of Belgrade, Studentski Trg 16, 11000 Belgrade, Serbia
2. Regional Laboratory of Public Health of Crete, Heraklion, 71110 Crete, Greece
3. Laboratory for Medical Entomology, Department for Parasitology, Center of Excellence for Toxoplasmosis and Medical Entomology, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia
4. Laboratory of Clinical Bacteriology, Parasitology, Zoonoses and Geographical Medicine, Medical School, University of Crete, P.O. BOX 1393, Heraklion, 71110 Crete, Greece