Phil. Trans. R. Soc. B 374, 20180302. (Published 8 April 2019). (doi:10.1098/rstb.2018.0302)
An error was identified in figure 2, where in three instances 'ɛ1' in the figure should read ‘(1−ɛ1)’. The corrected figure is shown below.

Phil. Trans. R. Soc. B 374, 20180302. (Published 8 April 2019). (doi:10.1098/rstb.2018.0302)
An error was identified in figure 2, where in three instances 'ɛ1' in the figure should read ‘(1−ɛ1)’. The corrected figure is shown below.
