Affiliation: | 1.Department of Statistics, University of Campinas, Rua Sérgio Buarque de Holanda, 651, Campinas, São Paulo 13083-859, Brazil; (V.A.G.-L.); (G.H.T.);2.Department of Statistics, Fluminense Federal University, Rua Professor Marcos Waldemar de Freitas Reis, s/n, Niterói, Rio de Janeiro 24210-201, Brazil; |