Peng, Qin
Yuan, Yihui
Funding for this research was provided by:
Start-up Funding for Scientific Research from Hainan Normal University (301060181828#)
Start-up Research Foundation of Hainan University (KYQD(ZR)1815)
National Natural Science Foundation of China (31500155)
Article History
Received: 10 May 2018
Revised: 24 June 2018
Accepted: 3 July 2018
First Online: 14 July 2018
Compliance with ethical standards
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The authors declare that they have no conflict of interest.