Funding for this research was provided by:
National Natural Science Foundation of China (61475127, 61575163, 61805205, 61875167, 61775184)
Fundamental Research Funds for the Central Universities (XDJK2018C079)
Doctor Fund from Southwest University (SWU110645)
Postdoctoral Research Foundation of China (2018M633303)
Article History
Received: 11 May 2018
Accepted: 19 October 2018
First Online: 30 October 2018