Funding for this research was provided by:
National Natural Science Foundation of China (81673247, 81872682, 81773527)
National Natural Science Foundation of China (NSFC)–Australian National Health and Medical Research Council (NHMRC) Joint Research Project (NSFC 81561128020-NHMRC APP1112767)
Received: 2 April 2020
Accepted: 27 September 2020
First Online: 12 October 2020
Ethics approval and consent to participate
: This study was approved by the ethics committees of Capital Medical University, Beijing, China (No. 2016SY23), and the procedures have been performed in accordance with the Declaration of Helsinki. Written informed consent to participate in the study was obtained from all patients enrolled in the study.
: Not applicable.
: The authors declare that they have no competing interests.