Funding for this research was provided by:
Hunan Provincial Science and Technology Department (2018JJ3784)
Article History
Received: 10 January 2019
Accepted: 26 June 2019
First Online: 18 July 2019
Compliance with ethical standards
:
: The authors declare that they have 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.