Department of Computer Science, University of Brasxc3xadlia, Brasxc3xadlia 70910-900, Brazil.|Biomedical Informatics Department, Stony Brook University, Stony Brook, NY 11794-8322, USA.|Department of Computer Science, University of Brasxc3xadlia, Brasxc3xadlia 70910-900, Brazil.|Department of Computer Science, University of Brasxc3xadlia, Brasxc3xadlia 70910-900, Brazil.|Biomedical Informatics Department, Stony Brook University, Stony Brook, NY 11794-8322, USA.|Biomedical Informatics Department, Emory University, Atlanta, GA 30322, USA.|Biomedical Informatics Department, Stony Brook University, Stony Brook, NY 11794-8322, USA.