Funding for this research was provided by:
National Natural Science Foundation of China (71802195, 71672195)
Natural Science Foundation of Hunan Province (2020JJ5782)
Article History
Received: 23 April 2019
Accepted: 16 November 2020
First Online: 30 November 2020
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: All research procedures involving human participants were in accordance with the ethical standards of the research committee at the third author’s institution and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all participants quoted in the study.