Funding for this research was provided by:
Peking University First Hospital Cross Clinical Study Foundation;Youth Clinical Research Project of Peking University First Hospital (2019CR02)
Received: 8 January 2020
Accepted: 19 October 2020
First Online: 22 October 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors certify that there is no conflict of interest with any individual/organization for the present work.