Liu, Shengbing
Zhang, Liangyan
Yao, Zhidong
Xing, Li
Liu, Kun
Funding for this research was provided by:
National Natural Science Foundation of China (30901260, 81402162)
Article History
Received: 10 January 2017
Accepted: 4 May 2017
First Online: 18 May 2017
Compliance with ethical standards
:
: This work was supported by grants from the National Natural Science Foundation of China, No. 30901260 and No. 81402162.
: The authors have declared that no competing interests exist.
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