He, Lu
Long, Chengxing
Liu, Youjia
Guo, Yanfang
Xiao, Nenqun
Tan, Zhoujin
Funding for this research was provided by:
National Natural Science Foundation of China (81573951)
Article History
Received: 19 February 2017
Accepted: 7 September 2017
First Online: 25 September 2017
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.