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VOLUME 288 (2013) PAGES 1612–1619
PAGE 1617:
When preparing figures for the above article, we inadvertently inserted an incorrect image into Fig. 4 (this data set belongs to Fig. 3A). The correct image for Fig. 4 is shown below. The content of Figs. 3A and 4 is very similar; therefore, this error did not affect our results or the conclusions of our paper.
