1. Department of Genetics, Federal University of Pernambuco (UFPE), Recife, Brazil
2. Laboratory of Immunopathology Keixo Asami (LIKA), Federal University of Pernambuco (UFPE), Recife, Brazil
3. Department of Genetics, Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235 - Cidade Universitaria, Zip code 50670-901, Recife, Brazil