1 Department Veterinary Sciences, University of Messina, Messina, Italy.
2 Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania.
3 Laboratory of Parasitology, Federal University of the Agreste of Pernambuco, Garanhuns, Brazil.
4 Department of Veterinary Pathobiology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, United States.