Chang, Xiang-Yang
Wang, Li-Zhong
Xia, Feng
Zhang, Yin-Fa
Article History
Received: 6 May 2021
Accepted: 28 January 2022
First Online: 7 February 2022
Declarations
:
: Ethical approval for this study was given by the local ethics committee at Jiaxing Maternity and Children Health Care Hospital, China, (approval # 2020-F-1) on May 20th, 2020. The protocol was registered on the Chinese Clinical Trial Registry (ExternalRef removed) (ID: ChiCT2000033900). All procedures performed in this study involving human participants were in accordance with the Ethical Standards of the Institutional Ethics Committee and with the Helsinki Declaration or comparable ethical standards. All participants signed written informed consent before study.
: Not applicable.
: All authors have no conflicts of interest related to this article.