Identified as Sandro Roberto Fernandes Identified as Vania Vieira Vania Vieira Estrela (Universidade Federal Flumiense (TELECOM) )Identified as Vania Vieira Estrela (Universidade Federal Fluminense )Identified as Joaquim Teixeira de Assis (IPRJ - UERJ )Identified as Joaquim Teixeira de Assis (IPRJ - UERJ )Identified as Marcus P. Pacheco (IPRJ - UERJ )