Luo, Shiqing
Miao, Yanming
Guo, Junping
Sun, Xiaojie
Yan, Guiqin
Funding for this research was provided by:
National Natural Science Foundation of China (Grant 31700862)
Natural Science Foundation for Young Scientists of Shanxi Province (Grant 201601D021109)
Graduate Science and Technology Innovation Project of Shanxi Normal University (2017SCX039)
Article History
Received: 4 December 2018
Accepted: 8 March 2019
First Online: 19 March 2019
Compliance with ethical standards
: The author(s) declare that they have no competing interests.