Jiang, Hongbo
Chen, Xiaobin
Li, Jing
Tan, Zhimin
Cheng, Weibin
Yang, Yi http://orcid.org/0000-0003-0935-086X
Funding for this research was provided by:
Guangzhou Association of Social Science Societies (2018GZGJ67)
Department of Finance of Guangdong Province (2100409)
Young Scientists Fund (81703282)
Article History
Received: 4 October 2018
Accepted: 25 February 2019
First Online: 4 March 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Guangdong Pharmaceutical University. All the study participants signed a written informed consent document after comprehending the objectives and procedures of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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