J. R. Soc. Interface 12, 20141191 (2015; Published online 11 February) (doi:10.1098/rsif.2014.1191)
Funding
This work was financed by Portuguese funds through Fundação para a Ciência e a Tecnologia (FCT), in the framework of project UID/BIM/04293/2013. M.M., J.C. and C.C. are also recipients of grants from FCT (SFRH/BD/80577/2011, SFRH/BPD/78187/2011 and SFRH/BPD/87071/2012, respectively).