Han, X.
Xia, F.
Chen, G.
Sheng, Y.
Wang, W.
Wang, Z.
Zhao, M.
Wang, X. http://orcid.org/0000-0001-9133-1320
Article History
Received: 21 February 2020
Accepted: 16 July 2020
First Online: 25 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.
: For this type of study, formal consent is not required.