1. Department of Parasitology and Zoology, Faculty of Veterinary Science, Szent István University, Budapest, Hungary.
2. Instituto de Investigación en Recursos Cinegéticos IREC (CSIC, UCLM, JCCM), Ciudad Real, Spain.
3. Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma.
4. Clinical Laboratory, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.
5. County Veterinary Station, Miskolc, Hungary.