Funding for this research was provided by:
National Natural Science Foundation of China (61772321, 61602282)
China Postdoctoral Science Foundation (2016M602181)
Innovation Foundation of Science and Technology Development Center of Ministry of Education and New H3C Group (2017A15047)
Text and Data Mining valid from 2019-01-10
First Online: 10 January 2019
Compliance with ethical standards
: All 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.