Correction to: Nature Protocols https://doi.org/10.1038/s41596-018-0116-4, published online 15 February 2019

In the version of this paper originally published, an affiliation for Zhengxiao Fan was omitted. In addition, the Reporting Summary incorrectly indicated that human research participants had been used in the study, instead of animal subjects. These errors have been corrected in the PDF and HTML versions of the protocol.