Reis, A C
Alessandri, A L
Athayde, R M
Perez, D A
Vago, J P
Ávila, T V
Ferreira, T P T
de Arantes, A CS
de Sá Coutinho, D
Rachid, M A
Sousa, L P
Martins, M A
Menezes, G B
Rossi, A G
Teixeira, M M
Pinho, V
Article History
Received: 1 August 2014
Revised: 7 November 2014
Accepted: 19 November 2014
First Online: 12 February 2015
Competing interests
: The authors declare no conflict of interest.