Wang, Xu
Li, Fang http://orcid.org/0000-0003-3342-4865
Cai, Ziqi
Liu, Kaifan
Li, Jing
Zhang, Boyang
He, Jianbo
Funding for this research was provided by:
Undergraduate Innovation and Entrepreneurship Training Program (2017CXCYS083)
National Natural Science Foundation of PR China (21605032)
Article History
Received: 13 December 2017
Revised: 29 January 2018
Accepted: 2 February 2018
First Online: 17 February 2018
Compliance with ethical standards
: The experimental protocol was approved by the Research Ethics Committee of Hefei University of Technology, China. All participants provided written informed consent.
: The authors declare that they have no conflict of interest.