Scientific Reports 5: Article number: 9097; published online: 13 March 2015; updated: 05 June 2017

In this Article the images presented in Figure 2a are duplicated from Figure 4a in Reference 47. These errors are due to accidental mislabelling of data files and the figure, which resulted in an incorrect figure being mistakenly included in the paper.

The correct Figure 2a appears below as Figure 1.

Figure 1
figure 1