Ji, Ling
Hu, Wenzhi
Yong, Yonghong
Wu, Hongping
Zhou, Lei
Xu, Di
Funding for this research was provided by:
the National Nature Science Foundation of China (No.81271589)
Article History
Received: 21 October 2017
Accepted: 3 April 2018
First Online: 6 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interests.
: 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 was obtained from all individual participants included in the study.