de Almeida Filho, J E
Guimarães, J F R
e Silva, F F
de Resende, M D V
Muñoz, P
Kirst, M
Resende, M F R Jr
Article History
Received: 9 July 2015
Revised: 7 December 2015
Accepted: 4 March 2016
First Online: 27 April 2016
Competing interests
: The authors declare no conflict of interest.