Zhao, Xiaolan
Zhang, Xun
Wu, Zhao
Mei, Jie
Li, Lingling http://orcid.org/0000-0002-1350-0456
Wang, Yujue
Article History
Received: 25 March 2021
Accepted: 24 June 2021
First Online: 23 July 2021
Declarations
:
: All participants signed a document of informed consent. The protocols of this study were approved by the Ethic Committee of Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital (ethical number: 201,600,618) and based on the ethical principles for medical research involving human subjects of the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no conflicts of interest.