Ren, Ye http://orcid.org/0000-0003-4558-5834
Zhou, Zheng http://orcid.org/0000-0002-7485-1030
Chen, Guang-Xin http://orcid.org/0000-0003-1496-361X
Li, Qifang http://orcid.org/0000-0003-0457-4784
Funding for this research was provided by:
National Natural Science Foundation of China (51573010)
Article History
Received: 9 July 2018
Accepted: 12 December 2018
First Online: 28 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.