Jing, Gao
Huwei, Shi
Chao, Chen
Lei, Chen
Ping, Wang
Zhongzhou, Xiao
Sen, Yang
Jiayuan, Chen
Ruiyao, Chen
Lu, Lu
Shuqing, Luo
Kaixiang, Yang
Jie, Xu
Weiwei, Cheng
Article History
Received: 26 May 2022
Accepted: 8 August 2022
First Online: 18 August 2022
Declarations
:
: Our research strictly adheres to the Declaration of Helsinki. The life, health, privacy and dignity of the subjects are protected from the procedures of trial design, subject inclusion, data collection, data analysis, and result presentation in our research.Ethical approval for the use of patient information was obtained from the Research Ethics Committee of International Peace Maternity and Child Health Hospital (GKLW2021–20). We confirmed that informed consent was waived by the Ethics Committee of International Peace Maternity and Child Health Hospital due to the review of the study.
: Not applicable.
: The authors declare that they have no competing interests.