Bai, Yong
Zhao, Na
Zhang, Zhenhua
Jia, Yangjie
Zhang, Genhao
Dong, Geng
Article History
Received: 2 November 2022
Revised: 25 November 2022
Accepted: 3 December 2022
First Online: 17 December 2022
Declarations
:
: This study was supported by the Ethics Committees of Zhengzhou Central Hospital Affiliated to Zhengzhou University. Each child had an informed consent form signed by his or her parents.
: Not applicable.
: The authors declare no competing interests.