1. University of São Paulo Rua Luciano Gualberto , 315 São Paulo SP CEP 05508-010 Brazil
2. University of Brasília , Campus Universitário Darcy Ribeiro - ICC - Ala Norte Brasília DF CEP 70910-900 Brazil
3. State University of Northern Paraná Av. Getúlio Vargas , 850 Jacarezinho PR CEP 86400-000 Brazil