Department of Computer Science, Universidade Federal de Minas Gerais, Brazil.|Department of Computer Science, Universidade Federal de Minas Gerais, Brazil.|Department of Computer Science, Universidade Federal de Minas Gerais, Brazil.|Department of Computer Science, Universidade Federal de Minas Gerais, Brazil.|Advanced Campus at Itabira, Universidade Federal de Itajubá, Brazil and.|Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, Brazil.|Department of Computer Science, Universidade Federal de Minas Gerais, Brazil.