Wang, Fengyun https://orcid.org/0000-0002-9447-2599
Qiang, Xinhua
Jiang, Suhua
Shao, Jingsong
Fang, Bin
Zhou, Lixin https://orcid.org/0000-0003-3385-4881
Funding for this research was provided by:
Science and Technology Planning Project of Guangdong Province (2011B031800373)
Article History
Received: 23 July 2020
Accepted: 10 February 2021
First Online: 25 February 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of The First People’s Hospital of Foshan, China. Written consent to participate was obtained from the parents/guardians of the minors included in this study.
: Not applicable.
: The authors declare that they have no competing interests.