Phil. Trans. R. Soc. B366, 389–401 (12 February 2011) (doi:10.1098/rstb.2010.0117)
In figure 1, ‘Middle East and North America’ should read ‘Middle East and North Africa’.
In the second paragraph of §8 the word ‘higher’ should be replaced by ‘lower’ to read
‘While we have set out evidence from many types of source about the individual links, is there any evidence of it acting as a complete system? Some intriguing new studies provide evidence that this is the case. It has been shown that societies faced with high pathogen pressure have lower average scores on personality traits such as extraversion and openness to experience …’.