Gong, Xiao-Li
Liu, Xi-Hua
Xiong, Xiong
Zhuang, Xin-Tian
Funding for this research was provided by:
National Social Science Foundation of China (18BGL200)
National Natural Science Foundation of China (71532009)
Research funding of Qingdao University (41118010080)
Article History
First Online: 5 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.