Corresponding author*
Corresponding authors: Marilise Brittes Rott and Beni Jequicene Mussengue Chaúque
Mailing address: Laboratory 311, Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Department of Parasitology, Universidade Federal do Rio Grande do Sul, Sarmento Leite Street, N 500, Porto Alegre, Rio Grande do Sul 90050-170, Brazil.
Tel.: 3308 4537
Mobile phone: +55 51 999530060
E-mail: marilise.rott@ufrgs.br