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Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
Following the publication of this article [1], the authors noticed that Figs. 2, 3 and 4 were in the incorrect order and thus had incorrect captions. The images that were incorrectly published as Figs. 2, 3 and 4 should have been published as Figs. 3, 4 and 2 respectively.
The correct versions of Figs. 2, 3 and 4 with captions have been included in this Correction.
The original article has been corrected.
Footnotes
The original article can be found online at 10.1186/s12864-018-4636-7