1. Hacettepe University, Faculty of Medicine, Department of Medical Microbiology, Virology Unit, Sihhiye Ankara, Turkey.
2. Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.
3. FSSFE Scientific Centre of Family Health and Human Reproduction Problems, Siberian Branch of the Russian Academy of Medical Sciences, Irkutsk, Russia.
4. Veterinary Research Institute, Brno, Czech Republic.
5. Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, and Faculty of Science, University of South Bohemia, České Budějovice, Czech Republic.