Funding for this research was provided by:
The National Natural Science Foundation of China (82001778)
The Capital Medical Development Research Fund (2020-2-1072)
Received: 1 February 2021
Accepted: 11 March 2021
First Online: 1 April 2021
: The current study was approved by the Ethics Committee of Beijing Tiantan Hospital (KY2014-002-02).Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare no potential conflict of interest.