Zhang, Pu
Shen, Qiang https://orcid.org/0000-0001-9333-4605
Funding for this research was provided by:
Aberystwyth University
Article History
First Online: 9 July 2018
Compliance with ethical standards
:
: This study was mainly self-funded; other than the first author receiving a PhD scholarship from Aberystwyth University, no external funding was received in support of this research.
: All authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants performed by any of the authors.