Funding for this research was provided by:
Hunan Provincial Science and Technology Department (2018JJ3784)
Article History
Received: 24 January 2019
Accepted: 21 March 2019
First Online: 30 March 2019
Compliance with ethical standards
:
: Yang Liu declares that she has no conflict of interest. Juan Tan declares that she has no conflict of interest. Shuangyan Ou declares that she has no conflict of interest. Jun Chen declares that he has no conflict of interest. Limin Chen declares that she has no conflict of interest.
: All applicable international, national, and institutional guidelines for the care and use of animals were followed. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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.