Liu, Yushan
Chen, Zhijun
Li, Wei
Ma, Chunhui
Wu, Peng
Wu, Xueyun
Li, Shujun
Liu, Shouxin
Funding for this research was provided by:
National Natural Science Foundation of China (31570567, 31500467)
Institute for Research in Fundamental Sciences (2572017ET02, 2572018AB02)
Article History
Received: 26 July 2018
Accepted: 1 September 2018
First Online: 20 September 2018
Compliance with ethical standards
: The author(s) declare that they have no competing interests.