Araújo, D A
Noronha, M B
Cunha, N A
Abrunhosa, S F
Rocha, A N
Amaral, T F
Article History
Received: 22 August 2015
Revised: 4 February 2016
Accepted: 5 February 2016
First Online: 23 March 2016
Competing interests
: The authors declare no conflict of interest.