Funding for this research was provided by:
National Science and Technology Major Project (2018Z × 10101004)
Article History
Received: 31 January 2020
Revised: 29 July 2020
Accepted: 11 August 2020
First Online: 9 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Peking University Third Hospital (PUTH) Ethics Committee. The procedures used in this study adhere to the tenets of the Declaration of Helsinki.
: Informed consent for participation was obtained from all participants in the study.
: Informed consent for publication was obtained from all participants in the study.