Funding for this research was provided by:
the State Commission of Science Technology of China under grants 2015 The national key technology R&D program (2015BAK39B02, 2015BAK39B02)
the NSFC general technical foundation research joint fund (U1636208)
the NSFC general technical foundation research joint fund (Project (U1636208)
Article History
First Online: 4 August 2018
Compliance with ethical standards
:
: We declare that we have no financial and personal relationships with other people or organizations that can inappropriately influence our work, there is no professional or other personal interest of any nature or kind in any product, service and/or company that could be construed as influencing the position presented in, or the review of, the manuscript entitled.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.