Chen, Jiawei
Hu, Liandong
Funding for this research was provided by:
Top Young Talents Program of Hebei Province, the Scientific Research Project of Hebei Provincial High School (No. ZD2016136)
Hebei Provincial Training Programs of Innovation and Entrepreneurship for Undergraduates (No. 201810075086)
Key Research and Development Plan of Hebei Province (No. 19272701D)
Article History
Received: 27 February 2019
Accepted: 19 November 2019
First Online: 7 December 2019
Compliance with Ethical Standards
: This research did not include any human subjects and animal experiments.
: The authors declare that they have no conflict of interest.