Funding for this research was provided by:
Natural Science Foundation of Zhejiang Province (LY16C200002)
The National Science Foundation of China. (31601449, 318775)
International Science &Technology Cooperation Program of China (2013DFA32330)
Text and Data Mining valid from 2019-01-04
Received: 18 October 2018
Revised: 11 December 2018
Accepted: 12 December 2018
First Online: 4 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.