Gong, Wei
Xu, Li
Gu, Guofeng
Lu, Lili
Xiao, Min
Funding for this research was provided by:
the Major State Basic Research Development Program of China (2012CB822102)
National High Technology Research and Development Program of China (2012AA021504)
the Key grant Project of Chinese Ministry of Education (313033)
Science and Technology Development Project of Shandong Province (2014GSF121006, 2015GSF121004)
Article History
Received: 9 February 2016
Revised: 27 February 2016
Accepted: 1 March 2016
First Online: 28 March 2016
Compliance with ethical standards
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The authors declare that they have no conflict of interest.