Funding for this research was provided by:
National Natural Science Foundation of China (81671604, 81671609, 81971523, 81871290)
Beijing Science and Technology Planning Project (Z191100006619111)
Beijing Municipal Natural Science Foundation (7194329)
Beijing Nova Program (Z181100006218044)
Peking University People’s Hospital Research and Development Funds (RDF2019-03)
Received: 31 May 2020
Accepted: 31 August 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: All subjects gave written informed consent under the Declaration of Helsinki. The protocol was approved by the Institutional Medical Ethics Review Board of Peking University People’s Hospital.
: Not applicable.
: The authors declare that they have no competing interests.