Funding for this research was provided by:
China Postdoctoral Science Foundation (2016M603025)
Article History
Received: 12 July 2020
Accepted: 21 April 2021
First Online: 27 September 2021
Declarations
:
: The study was reviewed and approved by the ethics committee of the PLAGH and was performed in accordance with the Declaration of Helsinki. Written informed consent was obtained from each individual or guardian.
: Not applicable.
: The authors declare that they have no competing interests.