Funding for this research was provided by:
international science and technology cooperation programme (2015DFA30160)
beijing municipal science & technology commission (Z141100006014057)
national natural science foundation of china (81770343)
Received: 7 February 2021
Accepted: 20 July 2021
First Online: 31 July 2021
: This study was approved by the Institutional Review Board of Beijing Anzhen Hospital of Capital Medical University (Approval No: 2013025). The study protocol, was explained to participants, all of whom signed informed consent.
: All study participants signed informed consent prior to participation.
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements) or non-financial interest (such as personal or professional relationships, affiliations, knowledge, or beliefs) in the subject matter or materials discussed in this manuscript.