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Correction to: The ISME Journal (2017) 11, 932–944; doi:10.1038/ismej.2016.172
Updated online 28 February 2017: This article was originally published under a CC BY-NC-SA 4.0 license, but has now been made available under a CC-BY 4.0 license. The PDF and HTML versions of the paper have been modified accordingly.
