Correction: BMC Immunol (2020) 21:19 https://doi.org/10.1186/s12865-020-00352-1

Following publication of the original article [1], the author noticed an error in the funding number available in the Funding section. The funding number of the National Natural Science Foundation of China was incorrectly given as 81771271 and should have been 81771721.

The original article [1] has been corrected.