Fu, Zhengqing
Bai, Shikun
O’Regan, Donal
Xu, Jiafa
Funding for this research was provided by:
National Natural Science Foundation of China (11601048)
Natural Science Foundation of Chongqing (cstc2016jcyjA0181)
the Science and Technology Research Program of Chongqing Municipal Education Commission (KJQN201800533)
Natural Science Foundation of Chongqing Normal University (16XYY24)
Article History
Received: 8 February 2019
Accepted: 8 April 2019
First Online: 16 April 2019
Competing interests
: The authors declare that they have no competing interests.