Filippo, T R M
De Carvalho, M C L
Carvalho, L B
de Souza, D R
Imamura, M
Battistella, L R
Article History
Received: 3 February 2014
Revised: 19 January 2015
Accepted: 22 January 2015
First Online: 30 June 2015
Competing interests
: The authors declare no conflict of interest.