Melo, Hygor Piaget M.
Moreira, André A.
Batista, Élcio
Makse, Hernán A.
Andrade, José S.
Article History
Received: 28 April 2014
Accepted: 15 July 2014
First Online: 1 September 2014
Change Date: 18 December 2015
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.