Funding for this research was provided by:
peking university third hospital (No.BYSYZD2019012)
Article History
Received: 17 July 2021
Accepted: 15 February 2022
First Online: 5 March 2022
Declarations
:
: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The trial was conducted in accordance with the Declaration of Helsinki (as revised in 2013) as well as local, national, or international guidelines and legislation. All participants will sign the informed consent. The study was approved by Peking University Third Hospital Medical Science Research Ethics Committee (No.: M2020290), and informed consent was taken from all individual participants.
: Not applicable
: The authors declare that they have no competing interests.