Gui, Yan http://orcid.org/0000-0001-8323-4571
Zeng, Guang
Funding for this research was provided by:
the National Natural Science Foundations (61402053, 61772087)
the Scientific Research Fund of Education Department of Hunan Province (16C0046, 16A008)
Article History
First Online: 29 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.