Correction to: Reprod Biol Endocrinol 19, 189 (2021)

https://doi.org/10.1186/s12958-021-00863-5

Following publication of the original article [1], the authors reported an error to affiliation of author Yuanbiao Guo wherein affiliation 1 was inadvertently removed during correction stage. Author Yuanbiao Guo should be affiliated to:

Department of Medical Laboratory, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China.

Medical Research Center, The Affiliated Hospital of Southwest Jiaotong University, The Third People’s Hospital of Chengdu, Chengdu, Sichuan 610031, China.

The original article [1] has been updated.