Pan, Yongying
Wang, Yimin
Lie, Dongxu
Liu, Di
Chen, Xi
Wu, Zeyan
Chen, Liumei
Wang, Huaizhen
Peng, Liangming
Liang, Huiying
Song, Xingrong
Zhao, Baisong
Funding for this research was provided by:
Accurate and Comfortable Medical Clinical Research Fund of Guangdong Hospital Association (09)
Article History
Received: 12 August 2020
Accepted: 28 June 2021
First Online: 16 July 2021
Declarations
:
: This study was approved by the Ethics Committee of Guangzhou Women and Children’s Medical Center (protocol No. 2017091701) and was registered on clinicaltrials.gov (No. ChiCTR-INR-17013935, Principal investigator: Xingrong Song, Date of registration: December 14, 2017). All procedures performed in studies involving human participants were in accordance with the ethics standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethics standards. Written informed consent was obtained from parents or legal guardians of the children included in the trial.
: Not applicable.
: The authors declare that they have no conflict of interest.