Reader Comments

Post a new comment on this article

Figure 4 error

Posted by szhang499 on 08 Jul 2016 at 18:33 GMT

This figure is identical to Figure 5 and doesn't match the legend.

No competing interests declared.

RE: Figure 4 error

mpritchard replied to szhang499 on 13 Jul 2016 at 09:29 GMT

This error was noted at the time of initial publication. A correction was published on the website on 1 Nov 2013 and the correct version of figure 4 is shown there. Mark Pritchard 13 July 2016.

No competing interests declared.