Pequito, Sérgio
Preciado, Victor M.
Barabási, Albert-László
Pappas, George J.
Article History
Received: 28 September 2016
Accepted: 29 November 2016
First Online: 5 January 2017
Change Date: 9 March 2017
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.