Correction to: Cellular & Molecular Immunology (2018) 15, 1038–1046; 10.1038/s41423-018-0019-x; published online 27 March 2018
In this article, published online 27 March 2018, in the “ACKNOWLEDGEMENTS”, it should be supplemented as follows: “This study was funded by a grant from the National Natural Science Foundation of China, number 81490744, awarded to Da-Jin Li.” The authors regret the omission.