1. Department of Biotechnology, Genetics and Cell Biology, State University of Maringa, Avenida Colombo, 5.790, Bloco H67, Sala 11, Jardim Universitario, 87020-900, Maringa, Parana, Brazil
2. Department of General Biology, State University of Londrina, Rodovia Celso Garcia Cid, P.O. Box: 10011, Zip Code: 86057-970, Londrina, Brazil