1. Parasitological Institute of the Slovak Academy of Sciences, Hlinkova 3, 040 01, Košice, Slovak Republic
2. Department of Public Health, Pavol Jozef Šafárik University, Faculty of Medicine, Šrobárová 2, 041 80, Košice, Slovak Republic
3. Department of Biology and Genetics, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81, Košice, Slovak Republic
4. Department of Epizootology and Parasitology, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81, Košice, Slovak Republic