Funding for this research was provided by:
Scientific Research Starting Foundation for PhD/MD (BJ-2019-135)
Scientific Research Foundation for Central Health Care (2020YB10)
Article History
Received: 24 September 2020
Accepted: 12 January 2021
First Online: 27 January 2021
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors. IRB approval for this type of study is not required.
: Informed consent was obtained from the individual participant included in the study.
: Consent for publication was obtained for every individual person’s data included in the study.