Li, Han
Xu, Jinsheng
Bai, Yaling
Zhang, Shenglei
Cheng, Meijuan
Jin, Jingjing
Article History
Received: 10 September 2020
Accepted: 25 November 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: None of the authors disclose any financial, consulting or personal relationships with other people or organizations that could influence the authors’ work.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.
: We did not use individual data but used published data. These data have been widely utilized in research and are generally available. Therefore, we confirm that any aspect of the work covered in this manuscript has been conducted with ethical approval.
: Written informed consent for publication was obtained from all participants.
: The authors do not have any possible conflicts of interest.