Liu, Jing-cheng
Wei, Xiu-ting
Zhou, Zhi-yong
Wei, Zhen-wen
Funding for this research was provided by:
National Natural Science Foundation of China (51705297)
Natural Science Foundation of Shandong Province (ZR2016EEP09)
Article History
Received: 27 July 2017
Accepted: 10 January 2018
First Online: 22 March 2018
Compliance with ethical standards
:
: The authors have no financial or other relationship that might be perceived as leading to a conflict of interest that could affect authors’ objectivity. Besides, this manuscript has not been published elsewhere and it has not been submitted simultaneously for published elsewhere.