Funding for this research was provided by:
National Natural Science Foundation of China (U1502263)
General and Applied Basic Research Key Project of Yunnan (2018FB025, 2019FI007)
International Partnership Program of the Chinese Academy of Sciences (151853KYSB20170025)
CAS Youth Innovation Promotion Association (2018426)
General and Key Project of Applied Basic Research Program of Yunnan (2017FA015)
Text and Data Mining valid from 2019-11-28
Received: 12 June 2019
Accepted: 18 November 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: Not applicable.
: All authors agreed to publish this manuscript.
: The authors declare that they have no competing interests.