Peng, Jian
Wang, Zhen
Chen, Xiao
Funding for this research was provided by:
National Natural Science Foundation of China (71302129)
Beijing Social Science Foundation (16GLB035)
Guangzhou University Research Start-up Project (2700050336)
Article History
Received: 11 August 2016
Accepted: 28 January 2018
First Online: 1 February 2018
Compliance with Ethical Standards
:
: Authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.