Li, Chunmei
Li, Kun
Yuan, Miao
Bai, Wenjuan
Rao, Li
Funding for this research was provided by:
the Key Research & Development Projects of Sichuan Province (2020YFS0245)
Article History
Received: 16 November 2020
Accepted: 22 February 2021
First Online: 4 March 2021
Declarations
:
: All authors declare that they have no conflicts of interest.
: All authors provided their consent for publication.
: 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.