Correction to: BMC Cancer 20, 999 (2020)

https://doi.org/10.1186/s12885-020-07483-z

Following publication of the original article [1], the authors reported an error in affiliation 3. The correct affiliation 3 is: FAMID Biomedical Technology (Tianjin) Co., Ltd., No. 4, Haitai Development 2nd Road, Binhai Gaoxin District, Tianjin 300450, China.

The incorrect affiliation was also used in the method/E7 protein assay section.

The original article [1] has been corrected.