1 Laboratory of Immunoparasitology, Department of Immunology, Aggeu Magalhães Institute, Oswaldo Cruz Foundation (Fiocruz), Recife, Pernambuco, Brazil. Electronic address: filipe.torres@fiocruz.br.
2 Parasitology Unit, Department of Veterinary Medicine, University of Bari, Valenzano, Italy; Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran.