Wang, Hongxia http://orcid.org/0000-0002-3151-1044
Lei, Li
Article History
Accepted: 14 January 2021
First Online: 28 January 2021
Compliance with Ethical Standards
:
: The authors have no conflicts of interest to declare that are relevant to the content of this article.
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Renmin University of China.
: Informed consent was obtained from all individual participants included in the study.