Funding for this research was provided by:
Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences (2016-I2M-1-009)
National Natural Science Foundation of China (81970308)
Sanming Project of Medicine in Shenzhen (SZSM201911017)
Received: 5 May 2021
Accepted: 27 June 2021
First Online: 9 July 2021
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000. The study was approved by the institutional ethics committee of Fuwai Hospital (No. 2017-866), and informed consent was obtained from all patients being included in the study.
: The authors declare no competing interests.