Zhao, Bai-song
Li, Bing
Wang, Qing-ning
Jia, Jun-xiang
Song, Xing-rong http://orcid.org/0000-0003-0350-4960
Funding for this research was provided by:
the Natural Science Foundation of China (81701109)
Article History
Received: 26 March 2020
Accepted: 20 January 2021
First Online: 29 January 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Guangzhou Women and Children’s Medical Center (protocol no. 201939000) and written informed consent was obtained from all subjects.
: Not applicable.
: The authors declare that they have no conflict of interest.