1. Department for Bacteriology and Parasitology, Croatian Veterinary Institute, Zagreb, Croatia.
2. Laboratory for Zoonoses and Environmental Microbiology, National Institute for Public Health and Environment (RIVM), Bilthoven, The Netherlands.
3. Department of Parasitology and Parasitic Diseases, University of Zagreb, Zagreb, Croatia.
4. Department of Infectious, Parasitic, and Immunomediated Diseases, Istituto Superiore di Sanità, Rome, Italy.