Funding for this research was provided by:
Innovative Research Group Project of the National Natural Science Foundation of China (No.81070046, No.81970061)
Natural Science Foundation of Beijing Municipality (No.7142058)
Received: 5 October 2020
Accepted: 10 May 2021
First Online: 22 May 2021
: Ethical approval for the study was obtained from the Ethics Committee of Beijing Chao-Yang Hospital, Capital Medical University. All subjects provided written informed consent before enrolling in the study.
: Not applicable.
: The authors have no conflicts of interest to declare.