Lin, Jin-ai
Liao, Xin
Wu, Wenlin
Xiao, Lixia
Liu, Longshan
Qiu, Jiang
Funding for this research was provided by:
Guangzhou Science, Technology and Innovation Commission (201904010476)
Article History
Received: 10 July 2020
Accepted: 27 January 2021
First Online: 15 March 2021
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration. Approval was granted by the Ethics Committee of Guangzhou Women and Children's Medical Center (2019050401).
: Informed consent was obtained from all individual participants included in the study.