Wei, Xiaobing http://orcid.org/0000-0001-9407-4278
Zhang, Zhongrong http://orcid.org/0000-0002-1169-8710
Zhang, Lifang http://orcid.org/0000-0003-3613-7917
Xu, Xinhua http://orcid.org/0000-0002-7864-3044
Funding for this research was provided by:
National Natural Science Foundation of China (no.51143009)
Article History
Received: 18 June 2018
Accepted: 26 September 2018
First Online: 1 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.