Funding for this research was provided by:
Key Technologies Research and Development Program (2016YFC1305000, 2016YFC1305001)
the National Science and Technology Infrastructure Program (2015BAI12B13)
National Natural Science Foundation of China (81770775, 91749118, 81370017, 81130015 and 81000316)
the Planned Science and Technology Project of Hunan Province (2017RS3015)
Natural Science Foundation of Hunan Province (14JJ3034)
the National Basic Research Program of China (2014CB910500)
Article History
First Online: 11 June 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Does not apply.