Aires, M B
dos Santos, A C V
Kubrusly, M S
de Lima Luna, A C
D’Albuquerque, L A C
Maria, D A
Article History
Received: 12 July 2016
Revised: 6 December 2016
Accepted: 17 January 2017
First Online: 20 March 2017
Competing interests
: The authors declare no conflict of interest.