Chen, Letao
Yang, Tubao
Zheng, Zan
Yu, Hong
Wang, Hua
Qin, Jiabi http://orcid.org/0000-0002-9360-4991
Funding for this research was provided by:
China Postdoctoral Science Foundation (2015M572248)
Hunan Provincial Science and Technology Plan Project (2015RS4055)
Natural Science Foundation of Hunan Province (2016JJ4047)
Article History
Received: 19 October 2017
Accepted: 6 February 2018
First Online: 1 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent is not required.