Funding for this research was provided by:
Guangdong Province Introduction of Innovative R&D Team (No. 2013C102)
NSFC-Guangdong Joint funding, China (No. U1801256)
National Key R&D Program of China (No. 2016YFA0201002)
Guangdong Provincial Foundation (2016KQNCX035)
NSFC grant (No. 51803064, 51571094, 51431006, 51561135014, U1501244)
Program for Chang Jiang Scholars and Innovative Research Teams in Universities (No. IRT_17R40)
Text and Data Mining valid from 2019-04-05
Received: 16 February 2019
Accepted: 25 March 2019
First Online: 5 April 2019
: The authors declare that they have no competing interests.
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