Editor-in-chief:

Maria Claudia Malabarba
MCT-PUCRS, Av. Ipiranga,6681
90.619-900 Porto Alegre RS, Brazil
mariacm@pucrs.br

Associate editors:

João Carlos Coimbra
UFRGS , IG, Av. Bento Gonçalves,
Cx.P. 15001, 91501-970,
Porto Alegre RS, Brazil
joao.coimbra@ufrgs.br

Renata Guimarães Netto
UNISINOS , Av. Unisinos ,950
93022-000 São Leopoldo RS, Brazil
nettorg@unisinos.br