Beraldo, R A
Vassimon, H S
Aragon, D C
Navarro, A M
Albuquerque de Paula, F J
Foss-Freitas, M C
Article History
Received: 23 June 2014
Revised: 23 June 2014
Accepted: 26 June 2014
First Online: 30 July 2014
Competing interests
: The authors declare no conflict of interest.