Funding for this research was provided by:
zhejiang province public welfare technology application research project (LGC19H200006)
national natural science foundation of china (81471480)
Article History
Received: 22 June 2021
Accepted: 12 January 2022
First Online: 21 January 2022
Declarations
:
: This study was approved by the Medical Ethical Committee of the Children Hospital of Zhejiang University School of Medicine (2021-IRB-011) and informed consent was obtained from all parents and/or legal guardian of participating children. The study complied with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.