Funding for this research was provided by:
Beijing Municipal Natural Science Foundation (7181008)
CAMS Innovation Fund for Medical Sciences (CAMS-I2M, 2016-I2M-1-015)
Received: 1 September 2021
Accepted: 5 January 2022
First Online: 21 January 2022
: This study was performed in accordance with the principle of the Helsinki Declaration and approved by the Ethics Committee of Fuwai Hospital (Ethics No. 2018-1007). Written informed consent was obtained from all subjects or parents.
: Not applicable.
: The authors declare that they have no competing interests.