Bioscience Reports (2018) 38, BSR20180942;

The following source of funding was not acknowledged in the published version of the article:

This work was supported by grants from the key program of Tianjin Health Bureau (Grant NO.14KG104).

The online version was corrected on 20 December 2018.

This is an open access article published by Portland Press Limited on behalf of the Biochemical Society and distributed under the Creative Commons Attribution License 4.0 (CC BY).