de Miranda, J A
Lacchini, R
Belo, V A
Lanna, C M M
Sertorio, J T
Luizon, M R
Tanus-Santos, J E
Article History
Received: 25 March 2014
Revised: 7 May 2014
Accepted: 13 May 2014
First Online: 19 June 2014
Change Date: 5 November 2014
Change Type: Update
Change Details: This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication
Competing interests
: The authors declare no conflict of interest.