Figueiredo, T
Melo, U S
Pessoa, A L S
Nobrega, P R
Kitajima, J P
Rusch, H
Vaz, F
Lucato, L T
Zatz, M
Kok, F
Santos, S
Article History
Received: 5 May 2015
Revised: 17 August 2015
Accepted: 19 August 2015
First Online: 29 September 2015
Competing interests
: The authors declare no conflict of interest.