Souza, Pedro F. N.
Silva, Fredy D. A.
Carvalho, Fabricio E. L.
Silveira, Joaquim A. G.
Vasconcelos, Ilka M.
Oliveira, Jose T. A.
Funding for this research was provided by:
Council for Advanced Professional Training (CAPES) (Dr Grant)
National Council for Scientific and Technological Development (CNPq) (308107/2013-6)
Research Council of the State of Ceara (FUNCAP) (2155/PRONEX)
Cearense Federation of Research and Culture (FCPC) (09/2008)