Correction: Trials 23, 459 (2022)

https://doi.org/10.1186/s13063-022-06377-8

Following publication of the original article [1], the authors reported an error in affiliation 1. The correct affiliation 1 has been published in this correction and given below.

1 Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, 110 Ganhe Road, Shanghai 200437, China

The affiliation of Jing Zhao was incorrect upon publication. Jing Zhao is affiliated to Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, 110 Ganhe Road, Shanghai 200437, China.

Further to this, the funding section has been updated as follows:

This project is funded by Shanghai '13th five-year plan' key clinical specialty (TCM gynecology department) (shslczdzk04501) and General program of clinical research of Shanghai Municipal Health Commission (202140173).

The original article [1] has been corrected.