J. R. Soc. Interface 12, 20150249. (2015; Published 20 May 2015) (doi:10.1098/rsif.2015.0249)
The funding section should have appeared as:
Funding
Our work has been supported by the Botín Foundation, by Banco Santander through its Santander Universities Global Division, the Spanish Ministry of Economy and Competitiveness, grant no. FIS2013-44674-P and FEDER and by the Santa Fe Institute, where most of this research was done.
