Funding for this research was provided by:
the science and technology project of the state grid corporation of china (52720016004N)
Received: 24 June 2021
Accepted: 18 November 2021
First Online: 29 November 2021
: The present prospective single-center randomized controlled trial was approved by the institutional ethics committee at the Electric Power Teaching Hospital, Capital Medical University, Beijing, China (Approval ref No.: ky-2018-037-02). 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 Helsinki declaration and its later amendments or comparable ethical standards. All the recruited participants signed an informed consent form.
: All data published here are under the consent for publication.
: All authors declare that they have no conflict of interest.