Funding for this research was provided by:
Foundation for Innovative Research Groups of the National Natural Science Foundation of China (81370436)
Received: 3 March 2020
Accepted: 30 July 2020
First Online: 20 August 2020
Ethics approval and consent to participate
: Ethics approval for this study was obtained from the ethics review committee for human studies of Beijing Anzhen Hospital, Capital Medical University.This paper has been reviewed and approved by all the co-authors, and has not been submitted to any other journals for consideration for publication.
: The informed consent was obtained from the patients in this study.
: The authors declare that they have no competing interests.