affiliation not provided to SSRN, State University of Ceara, State University of Ceara, affiliation not provided to SSRN, State University of Acaraú Valley, State University of Ceara, State University of Ceara, State University of Ceara, State University of Acaraú Valley, Federal University of Ceara, affiliation not provided to SSRN, Universidade Estadual do Ceará, State University of Ceara, Universidade Estadual Vale do Acaraú and State University of Acaraú Valley