1. Computing Institute, Federal University of Alagoas, Maceió, Alagoas, Brazil
2. Department of Informatics and Engineering, University of Porto, Porto, Portugal
3. Department of Computing, Federal Rural University of Pernambuco, Pernambuco, Brazil
4. Bioengineering Division, Heart Institute (InCor) Hospital das Clínicas, HCFMUSP, Universidade de São Paulo Brazil, São Paulo, Brazil
5. Computer Science, Federal University of the Agreste of Pernambuco, Pernambuco, Brazil