authors Rodrigues, Rafael de Avila Costa, Luiz Claudio Ribeiro do Vale, Francisco Xavier Rezende, Anakely Alves Juliatti, Fernando Cezar Pedrini, Joao Eduardo Cunha Fernandes, Jose Mauricio Justino, Flavio Barbosa Heinemann, Alexandre Bryan Fraisse, Clyde Boucas Farias, Jose Renato Pavan,Willingthon