Funding for this research was provided by:
National Natural Science Foundation of China (31201678, 31572197)
Natural Science Foundation of Henan Province (162300410133)
State Key Laboratory Program (PCCE-KF-2017-04)
Text and Data Mining valid from 2019-04-04
Article History
Received: 21 January 2019
Accepted: 29 March 2019
First Online: 4 April 2019