Araújo, M L D
Cabral, P C
de Arruda, I K G
Silva Diniz, A
da Conceição Chaves de Lemos, M
Morais, G Q
Article History
Received: 20 December 2015
Revised: 21 January 2016
Accepted: 14 May 2016
First Online: 15 June 2016
Competing interests
: The authors declare no conflict of interest.