Wu, Dong
Cheng, Yu-gang
Huang, Xin
Zhong, Ming-wei
Liu, Shao-zhuang
Hu, San-yuan
Funding for this research was provided by:
National Natural Science Foundation of China (81471019/H0712, 81600059)
Natural Science Foundation of Shandong Province (ZR2014HQ004)
Fundamental Research Funds of Shandong University (2014QLKY22)
Article History
Received: 19 September 2017
Accepted: 1 May 2018
First Online: 21 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.