Liao, Hong
Hu, Lianzhe http://orcid.org/0000-0002-3639-1766
Zhang, Yuzhen
Yu, Xianrong
Liu, Yilin
Li, Rong
Funding for this research was provided by:
National Natural Science Foundation of China (21605012)
Scientific and Technological Research Program of Chongqing Municipal Education Commission (KJ1600301)
Program for Top-Notch Young Innovative Talents of Chongqing Normal University (02030307-00043)
Article History
Received: 28 November 2017
Accepted: 21 January 2018
First Online: 29 January 2018
Compliance with ethical standards
: The authors declare that they have no competing interests.