Akhtar, Shahnaz
An, Wenzhen
Niu, Xiaoying
Li, Kang
Anwar, Shahzad
Maaz, Khan
Maqbool, Muhammad
Gao, Lan
Funding for this research was provided by:
National Natural Science Foundation of China (31471953)
Article History
Received: 3 November 2017
Accepted: 4 February 2018
First Online: 14 February 2018
Competing Interests
: The authors declare that they have no competing interests.
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