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This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
In the original article, there was a mistake in Figure 5 as published. The line scans in Figures 5E,F depicting the channel intensity of the respective ROIs in Figures 5B,C, were swapped by mistake. The corrected Figure 5 appears below.
The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.