About the Authors

Bruno J. T. Fernandes

bjtf@ecomp.poli.br

Affiliation Escola Politécnica, Universidade de Pernambuco, Recife-PE, Brazil

George D. C. Cavalcanti

Affiliation Centro de Informática, Universidade Federal de Pernambuco, Recife-PE, Brazil

Tsang I. Ren

Affiliation Centro de Informática, Universidade Federal de Pernambuco, Recife-PE, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BJTF GDCC TIR. Performed the experiments: BJTF. Analyzed the data: BJTF GDCC TIR. Contributed reagents/materials/analysis tools: BJTF GDCC TIR. Wrote the paper: BJTF GDCC TIR.