Ji, Kai
Sun, Jinhan
Yan, Yan
Han, Lei
Guo, Jianhui
Ma, Anwen
Hao, Xueqi
Li, Fang
Sun, Yuning
Funding for this research was provided by:
National Natural Science Foundation of China (81560340, 31760041)
Article History
Received: 11 March 2021
Accepted: 18 October 2021
First Online: 29 October 2021
Declarations
:
: The process obtained families’ informed consent. The study was approved by the Ethics Committee of the Yinchuan Women and Children Healthcare Hospital and Ningxia Medical University.
: Not applicable.
: The authors declare that they have no competing interests.