Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2018YFC1311201)
Received: 25 April 2020
Accepted: 22 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: The institutional review board at Fuwai Hospital approved the usage of clinical data, and waived individual informed consent for this study.
: Not applicable.
: The authors declare that they have no competing interests.