Yang, Yingying http://orcid.org/0000-0002-7653-0601
Song, Qiongya
Article History
Received: 3 May 2020
Accepted: 26 October 2020
First Online: 10 November 2020
Compliance with ethical standards
:
: Author Yang declares that she has no conflict of interest. Author Song declares that she has 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.
: Informed consent was obtained from all individual participants included in the study.