Leitão Junior, A S
Campos, R M
Cerqueira, J B G
Fonteles, M C
Santos, C F
de Nucci, G
Sousa, E H S
Lopes, L G F
Gonzaga-Silva, L F
Nascimento, N R F
Article History
Received: 14 January 2015
Revised: 10 July 2015
Accepted: 22 September 2015
First Online: 29 October 2015
Competing interests
: The authors declare no conflict of interest.