title: [Not Available].
authors.affiliation: Universidade Federal do Ceará (UFC), Fortaleza, CE, Brazil.
authors.forename: Fernando Barroso
authors.initials: FB
authors.lastname: Duarte
authors.affiliation: Laboratório Central de Análises Clínicas (CAC), Fortaleza, CE, Brazil.
authors.forename: Francisco Dário Rocha
authors.initials: FD
authors.lastname: Filho
authors.affiliation: Universidade Federal do Ceará (UFC), Fortaleza, CE, Brazil. Electronic address: romelia.pinheiro@pg.cnpq.br.
authors.forename: Romélia Pinheiro
authors.initials: RP
authors.lastname: Gonçalves