Araújo, M L D
Cabral, P C
de Arruda, I K G
de Souza Holanda, L
Diniz, A S
Maio, R
Coelho, P B P
Article History
Received: 8 January 2016
Revised: 22 July 2016
Accepted: 31 July 2016
First Online: 19 October 2016
Competing interests
: The authors declare no conflict of interest.