Demasi, Marcos A.
de S. Molina, Erika
Bowman-Colin, Christian
Lojudice, Fernando H.
Muras, Angelita
Sogayar, Mari C.
Funding for this research was provided by:
Brazilian National Research Council (CNPq) (559158/2008-4)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)