Barabás, György http://orcid.org/0000-0002-7355-3664
Michalska-Smith, Matthew J. http://orcid.org/0000-0002-0369-412X
Allesina, Stefano http://orcid.org/0000-0003-0313-8374
Article History
Received: 20 September 2016
Accepted: 25 September 2017
First Online: 23 October 2017
Competing interests
: The authors declare no competing financial interests.